OpenTechnical

OT-2026-000071722

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, vented 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-2026-000071722) never changes.

Identity and time

Publication numberOT-2026-000071722 · never reused
Internal UUID01a0ae92-1e91-7cc0-bc18-937988bdbc14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071722
StatusPUBLIC

Content hashes

Canonical texte2a4cfbefad592871d4359b3f8933aa5902f7536fd96699d649085cae563c58e
Markdownb8846c765f94afa458cd0db8167b21cc97a7b90f47d217d7c1eb2dcf42e5cad7
PDF
Publication pagea664c96315449905a2e08af1092a7f0aa3710c17db1ce7a39be4ec2b56242333
Manifest3d291c8709054c920e6c79dd4b13772786b82c7776b3a6ce7db2fe08c8b3ea71

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
SignatureJXGnJnl+iP6zioM6qYMpmCYUeie6+ZxrwgnohKwenM/KuKXxuW/DyDxQd0K1ub/Oz3qUOKuqnBNJkk0y3WE2Bg==
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

2026-09-17T10:23:52.487766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071722
observed a664c96315449905a2e08af1092a7f0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:52.470908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071722/manifest.json
observed 3d291c8709054c920e6c79dd4b137727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:52.453425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071722/publication.md
observed b8846c765f94afa458cd0db8167b21cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:52.435256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071722/publication.txt
observed e2a4cfbefad592871d4359b3f8933aa5...
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.