OpenTechnical

OT-2026-000010275

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, vented after 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-2026-000010275) never changes.

Identity and time

Publication numberOT-2026-000010275 · never reused
Internal UUID01a0ae6b-cb7b-7728-85fc-d94509990419 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010275
StatusPUBLIC

Content hashes

Canonical text877abf461ed42cb0cb82bfa3c696618addc07b11c0cc68b702fce3c3caa0cd43
Markdown153f6091ac28fc8dbcdb36be51d64fe566394b2fc966b034b4b7d9c07bba3789
PDF
Publication page52d20ceac527bf7630beb69ce5aed125f0950c92f0d740f0f5e4c18786ae92f3
Manifest32d59e4f59672ec7d6eff69c7ed7aa56a30e78e946e731de20573dae320aa6f1

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
SignatureO6pzfZpKOPfWzmMG2p0YpgpK8ixmrMAJ2hl6NmvYnA7nnUKUkHVl1PwURXhzzTmwGIw219hMJjKeLn5ik6rgCA==
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

2026-09-17T12:16:30.080924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010275
observed 52d20ceac527bf7630beb69ce5aed125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:30.060898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010275/manifest.json
observed 32d59e4f59672ec7d6eff69c7ed7aa56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:30.042218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010275/publication.md
observed 153f6091ac28fc8dbcdb36be51d64fe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:30.023408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010275/publication.txt
observed 877abf461ed42cb0cb82bfa3c696618a...
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.