OpenTechnical

OT-2026-000086831

Publication integrity record

Two 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-2026-000086831) never changes.

Identity and time

Publication numberOT-2026-000086831 · never reused
Internal UUID01a0ae9a-80a4-73b4-8a5f-ede3dcc620c2 · 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-2026-000086831
StatusPUBLIC

Content hashes

Canonical textc2df2c48ee55d705a7dd3c915b099035eeb6ad4013da9d5c0b85a08d752031ce
Markdownba601aa4c49a4f7cf9961a4a49bae6f0638cb533109df86ccea8cc1cd0fb4071
PDF
Publication pagee14fd37875b2e13511a5681ba0bc5fb2d5cf716f74ae97986bdf19d1494ba91c
Manifest2a1dd40ab52774da9ef6eec0b9de102cef69fa4b89ade3a8f6e00010b2436116

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
SignatureJ0H9I82upwqBp/RJe+sDwsGUruuTaSBbi1yguILc4aD4LiP68kV/AJ/yaQRrHMQT1Ku3GLXAdZmBytjHOe0vAA==
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

2026-09-17T09:51:39.542549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086831
observed e14fd37875b2e13511a5681ba0bc5fb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:39.521534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086831/manifest.json
observed 2a1dd40ab52774da9ef6eec0b9de102c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:39.501343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086831/publication.md
observed ba601aa4c49a4f7cf9961a4a49bae6f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:39.482324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086831/publication.txt
observed c2df2c48ee55d705a7dd3c915b099035...
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.