OpenTechnical

OT-2026-000010702

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, 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-2026-000010702) never changes.

Identity and time

Publication numberOT-2026-000010702 · never reused
Internal UUID01a0ae6c-0ee8-767f-893a-b06e9331eceb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010702
StatusPUBLIC

Content hashes

Canonical text7fe2d33e7d445e93faf408d6a6e89f8bcdef6aa61e5e2f8c3f766adb135b45a2
Markdownc4cdbf5ef39e1bf26cb199de9af3d0cecb4cb777a29715cade6d47f6a8def1bc
PDF
Publication page81feea3d8bd9f992b97ebc606277c7379fb8f95beee2ecaeb3dc48e462b83fb6
Manifest5ec4785b8aec8c0e2afc2bb84b0687bf3c80a4760cb3be74349b69c658ac5951

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/2RpK7CCSGZaPv5NTyVLgkwEAqlM1IH4fWtpOXuLpEHjiV4WjnEcsCq1iysrZkkGZowFs/NhvIOuJW1TkJW3Aw==
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

2026-09-17T12:14:55.208785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010702
observed 81feea3d8bd9f992b97ebc606277c737...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:55.186656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010702/manifest.json
observed 5ec4785b8aec8c0e2afc2bb84b0687bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:55.167005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010702/publication.md
observed c4cdbf5ef39e1bf26cb199de9af3d0ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:55.146561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010702/publication.txt
observed 7fe2d33e7d445e93faf408d6a6e89f8b...
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.