OpenTechnical

OT-2026-000086651

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000086651) never changes.

Identity and time

Publication numberOT-2026-000086651 · never reused
Internal UUID01a0ae9a-2c98-7459-91a1-b16008c51b1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086651
StatusPUBLIC

Content hashes

Canonical text794b5b140d5fb95f87dee58292bd38b05d6279516092e9a137799574a706e945
Markdownad22d5f2ce7cfb54a60b5cb940c526524c8f750b78df11f28425ce48322aaaf5
PDF
Publication page1ce6e8c8f7777957c8d75cd7f84168b885895fcf5a3c1390450c6caf613f4c6f
Manifest7166936b02b34df300ed5b1f4ef973cf1c31a1c007b2d067f7656bae10663cdb

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
SignaturevtS6IsBrudRsIcwyM4V0eC4JH4EhEM2U69NdvOblVNEJ5PWcpYU8i2CSRS8Vil7PlWBk2p/Bvd/KczVf6r/UDg==
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

2026-09-17T09:52:30.626527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086651
observed 1ce6e8c8f7777957c8d75cd7f84168b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:30.608397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086651/manifest.json
observed 7166936b02b34df300ed5b1f4ef973cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:30.588319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086651/publication.md
observed ad22d5f2ce7cfb54a60b5cb940c52652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:30.570100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086651/publication.txt
observed 794b5b140d5fb95f87dee58292bd38b0...
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.