OpenTechnical

OT-2026-000037135

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000037135) never changes.

Identity and time

Publication numberOT-2026-000037135 · never reused
Internal UUID01a0ae77-7741-70af-ac7f-522c65406373 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037135
StatusPUBLIC

Content hashes

Canonical text388266b3937cdfea8417bb1cdf81a5fc0a79e4921251a7e87dad3ccd8575b432
Markdown71147fd23935ded4628ec4fa133d8bc3ddee2dae36667fcb2ae889b7f46b1ae0
PDF
Publication page1f10a50561b41b76938e75a3e280d351b3988ef734bd97e57625928348a9e451
Manifestd9db92711d204e21df87edf3251544618935f53fa4820575f4d9bf6bcaafb279

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
Signature5oD39xyKrWiqp0jutfoOVS82lCXQxXY8dvkiZJmEn1SUKM3B57kfI3aRSI/1gDBYtnwl10psnGvo6TVs7VLxAQ==
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

2026-09-17T11:25:00.722068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037135
observed 1f10a50561b41b76938e75a3e280d351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:00.706241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037135/manifest.json
observed d9db92711d204e21df87edf325154461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:00.690093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037135/publication.md
observed 71147fd23935ded4628ec4fa133d8bc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:00.672897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037135/publication.txt
observed 388266b3937cdfea8417bb1cdf81a5fc...
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.