OpenTechnical

OT-2026-000100580

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off 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-2026-000100580) never changes.

Identity and time

Publication numberOT-2026-000100580 · never reused
Internal UUID01a0aea3-66f2-7c4d-bbef-b72a0ca4ef93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100580
StatusPUBLIC

Content hashes

Canonical text4fea7bd6eb3826dd2509764de56bbf2ca0e079e06d29fc39fdbffb66101917f8
Markdown8c4ccb4824165343f37b6481dd5347da8b1811b1805f4e97c54e941daa3c4987
PDF
Publication page556520cf022174f5d326102c8a62e927a3bbd928b49393d34481f42ec048bf2d
Manifestbb46fbadf632176fea99cc48f115516314a94b8c9e4ea8833162910ebe38f4d3

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
SignatureFqTPbItx/PsKXSU3hyDczA66iMenGHeN5n00wqOhar/Bc4VFIuAH+11maYEqZeEcfYkfxpAEGxrh/zHk+PZ1Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:21.861206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100580
observed 556520cf022174f5d326102c8a62e927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:21.844259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100580/manifest.json
observed bb46fbadf632176fea99cc48f1155163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:21.826350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100580/publication.md
observed 8c4ccb4824165343f37b6481dd5347da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:21.810503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100580/publication.txt
observed 4fea7bd6eb3826dd2509764de56bbf2c...
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.