OpenTechnical

OT-2026-000014631

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000014631) never changes.

Identity and time

Publication numberOT-2026-000014631 · never reused
Internal UUID01a0ae6d-d093-7237-a8a2-39d47d880e61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014631
StatusPUBLIC

Content hashes

Canonical textf49916f2a36b72f9a24f74b97932cf2c41a4159c1c0e6d2e938f8cb20cd9ee90
Markdown097def27afa63799aa266ef840ad9a4149b6db9cc3e11332d651534d1bca42c5
PDF
Publication pagebe701c3533caf49a7f7f4f4d1654261696579b7a8fe42d5b70b1789416f68c0f
Manifest40ef106898247736a4b42ffd813a49d74e70d6f01f0f5343e2d042079f03f93d

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
SignatureacSvWYaiAUKZZqJMw5x+F9J+6MknmlKV0119yU0XzpuWo4h+8xfqed5kpdkX4dinG3uGRCrzg9qU1Ui1HZhVDw==
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

2026-09-17T12:06:26.832454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014631
observed be701c3533caf49a7f7f4f4d16542616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:26.814449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014631/manifest.json
observed 40ef106898247736a4b42ffd813a49d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:26.795622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014631/publication.md
observed 097def27afa63799aa266ef840ad9a41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:26.777765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014631/publication.txt
observed f49916f2a36b72f9a24f74b97932cf2c...
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.