OpenTechnical

OT-2026-000086816

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, sustained 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-2026-000086816) never changes.

Identity and time

Publication numberOT-2026-000086816 · never reused
Internal UUID01a0ae9a-80a4-79a9-a8b7-46c3ab0b9f5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086816
StatusPUBLIC

Content hashes

Canonical textfb12b1c2fed43481e1c6b09ab54d06051c7dec4eba185d18db7db65c78121b39
Markdown6b57fa6d1e9538de083792ad80666b2156ecb8e0cf2bcb212476700173a59d47
PDF
Publication page976580f0f9997d0b3593179902b592f9209c137ca1e56243944e7516a93e5dc3
Manifest5c5daa96aedbd779a5cf9132bb101fa51b8582609c22b3debf5c6c3ed32bcc6e

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/UAGjP2RL1pSvZW+V4QnhRT504hSrNsKOke5L7FHxrSbOiSril8y6s4R2h+tQ8Ya+89ukP1L6uDzaGs92twEBg==
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

2026-09-17T09:51:38.332216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086816
observed 976580f0f9997d0b3593179902b592f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:38.315366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086816/manifest.json
observed 5c5daa96aedbd779a5cf9132bb101fa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:38.296110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086816/publication.md
observed 6b57fa6d1e9538de083792ad80666b21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:38.277429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086816/publication.txt
observed fb12b1c2fed43481e1c6b09ab54d0605...
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.