OpenTechnical

OT-2026-000026899

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, 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-2026-000026899) never changes.

Identity and time

Publication numberOT-2026-000026899 · never reused
Internal UUID01a0ae72-3452-7b5e-955e-0230b297d0ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026899
StatusPUBLIC

Content hashes

Canonical textd92d4c9dd4d66744c4114f605fbe3c4574713813d710e427a7d6e3a689f348cf
Markdown6a01289dc053a2746b16912b4015df7f058629de74ee02a0daf628db5877f216
PDF
Publication pageb2a366efe1b4e8def45d8c4fe3657af5d3496cbd1af2f50830d6d3965a755f07
Manifest8c19193854f671b06c18381c362f4e379f98c7edc9f7337e05cdf89308cd55ed

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
Signature0uT7E5AZDwPcwC9LwrTZS+HNOuzdnBBi/ywqT1783aCahuNRnfbTeHL4fCbK5ywmiO8LRZqkzF7mOA2JPj2GBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:30.557007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026899
observed b2a366efe1b4e8def45d8c4fe3657af5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.540048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026899/manifest.json
observed 8c19193854f671b06c18381c362f4e37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.522209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026899/publication.md
observed 6a01289dc053a2746b16912b4015df7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.505462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026899/publication.txt
observed d92d4c9dd4d66744c4114f605fbe3c45...
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.