OpenTechnical

OT-2026-000087927

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000087927) never changes.

Identity and time

Publication numberOT-2026-000087927 · never reused
Internal UUID01a0ae9b-1aa5-7881-b63b-2e0099056a43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087927
StatusPUBLIC

Content hashes

Canonical text224016a0af8bac27e7cf59a45855f0c6448547c7aba05fa410960eb525343176
Markdown7187817e05e07c4791904e83e1536105c171968c7320e955325b357355efc342
PDF
Publication page9c4e7625572a6a8d45ae4b6e496be4640f1a082ac3ffb5bf0629ed3034383ba6
Manifestd84d6d79ea32b50d3b36f92ca7239b731c45ce11fbf85164351275b4068cca08

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
SignaturelNWCgWNKbLSZJkdQx2ZUTTKIrLTG/dZk+dzZOWY+rr3yTUXQw0LL0M6/TaL11//MMCpHHh+FNyHlXVXPlVZZBg==
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

2026-09-17T09:49:13.133784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087927
observed 9c4e7625572a6a8d45ae4b6e496be464...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:13.112805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087927/manifest.json
observed d84d6d79ea32b50d3b36f92ca7239b73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:13.028943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087927/publication.md
observed 7187817e05e07c4791904e83e1536105...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:13.008069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087927/publication.txt
observed 224016a0af8bac27e7cf59a45855f0c6...
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.