OpenTechnical

OT-2026-000045915

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, pulsed 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-2026-000045915) never changes.

Identity and time

Publication numberOT-2026-000045915 · never reused
Internal UUID01a0ae7d-8f86-7b87-9820-c8970ee678c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045915
StatusPUBLIC

Content hashes

Canonical textfb65c7225db41af4bedf20df8855a91ef1389ab088228ccf33bceff885a6161b
Markdown5fd72e7108f7b2d6c734eb225f197dfe0c393232293be861bb21632dd5c7856c
PDF
Publication pageeed90675ccc018841cee563d4e0174894cbc685b5a27b98ba289d3568575e589
Manifestcb8554b2e8c4dc04cb3c87a5ac21ae170b3b7be076be2737e7d3506561d1e3fd

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
SignatureoucwUOaHB+ZP5rSVYU8YRfBSMYjwJYsDstTzkGLIOxdfC4es4N4X9BkvGhkOfLlOWukbLCj9njy1OxVqfRo8Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:09:49.057444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045915
observed eed90675ccc018841cee563d4e017489...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:49.036460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045915/manifest.json
observed cb8554b2e8c4dc04cb3c87a5ac21ae17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:49.015618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045915/publication.md
observed 5fd72e7108f7b2d6c734eb225f197dfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:48.996273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045915/publication.txt
observed fb65c7225db41af4bedf20df8855a91e...
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.