OpenTechnical

OT-2026-000070481

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, 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-2026-000070481) never changes.

Identity and time

Publication numberOT-2026-000070481 · never reused
Internal UUID01a0ae91-545f-7704-9fdb-4db1e32c239c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070481
StatusPUBLIC

Content hashes

Canonical text3b946c4edacb7d0d3ef76efbd154334c0c8c236c475a558fc1126fff320d146f
Markdown4d5db07460576b238528c1389fe9e3aa773868c7b6f08b12b0d68628e5bd4a67
PDF
Publication pagee179b88057623b8bb6601240cbb638bc5963c829943e00cf017baeeb800f40cd
Manifest56ab8eff9c433a78f4be363e1f3e30ea9fd42c8a0eb821e743f4deee100fb568

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
Signature07BSOpHzdhZZjqMQkMXMmEiV6+SjBZFUMpJHsBraKRiDlEmBfu4KXxi9oFXQ/AuJq4GFXKLqiYH72vX3W16dDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:18.897073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070481
observed e179b88057623b8bb6601240cbb638bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:18.880565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070481/manifest.json
observed 56ab8eff9c433a78f4be363e1f3e30ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:18.864319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070481/publication.md
observed 4d5db07460576b238528c1389fe9e3aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:18.848365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070481/publication.txt
observed 3b946c4edacb7d0d3ef76efbd154334c...
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.