OpenTechnical

OT-2026-000055958

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000055958) never changes.

Identity and time

Publication numberOT-2026-000055958 · never reused
Internal UUID01a0ae87-0a4a-7adf-8f8b-6f1394f14e4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055958
StatusPUBLIC

Content hashes

Canonical textf1336b2bae543036947d6919b3d1b5796eff944bf684f48a7436cbaff697c1d7
Markdown5736cd734b53022dab5516827ae652010cf9bd341149238ff83a5ca695520cb8
PDF
Publication page01cc0f18d4a91ed1c4101fb2201722ea5f72970ea8f115d54d9b68a8c1a124ac
Manifest0840f8bb1034f7967ffc3bfbd31ac38b440c1795454d30cdcc1e4d402f2aab7a

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature7CC6U3eB15arSMwDvqb+cclEmmrDzYUIKK/hLzM+eTgEKoaG2HHUaAFhweNiyfgbUqgs0E/vwmVmC4Bn5WzrAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:41:49.270880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055958
observed 01cc0f18d4a91ed1c4101fb2201722ea...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:49.045334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055958/manifest.json
observed 0840f8bb1034f7967ffc3bfbd31ac38b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:48.866604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055958/publication.md
observed 5736cd734b53022dab5516827ae65201...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:48.729614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055958/publication.txt
observed f1336b2bae543036947d6919b3d1b579...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:51:28.720233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055958
observed 01cc0f18d4a91ed1c4101fb2201722ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:28.703403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055958/manifest.json
observed 0840f8bb1034f7967ffc3bfbd31ac38b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:28.687305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055958/publication.md
observed 5736cd734b53022dab5516827ae65201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:28.670046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055958/publication.txt
observed f1336b2bae543036947d6919b3d1b579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.