OpenTechnical

OT-2026-000100747

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two 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-2026-000100747) never changes.

Identity and time

Publication numberOT-2026-000100747 · never reused
Internal UUID01a0aea3-66f4-701a-a9a3-b8d9674985c4 · 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-2026-000100747
StatusPUBLIC

Content hashes

Canonical text13bcdd04c10d3ff5bbc90b1ee15ee3fb00fb9ec2cfe6e9e3ec181ddad263dce9
Markdown128b53fd95b2abdb0206fe86459fdbbcea3ddbe2dba8667b34d919f2cc07e82b
PDF
Publication page8e217e4ddb270c071c4a76cbe230205ccbccd1e06c96d52d2178ff3554b313ab
Manifestd5c52a159133e62b06c342c69320acdf64ad79472573ee0a5590a2a04dc90b7e

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
Signature/LygsQlIoIp0tyTP2C1Le1NKCRNCPGfoGWt0YoxwhVG50SyDq5IMyg3+NgLIRVJSmY5D7yZrSXsTvEvLyqQDCA==
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

2026-09-17T09:27:34.903590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100747
observed 8e217e4ddb270c071c4a76cbe230205c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:34.884010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100747/manifest.json
observed d5c52a159133e62b06c342c69320acdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:34.865803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100747/publication.md
observed 128b53fd95b2abdb0206fe86459fdbbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:34.847824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100747/publication.txt
observed 13bcdd04c10d3ff5bbc90b1ee15ee3fb...
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.