OpenTechnical

OT-2026-000022652

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000022652) never changes.

Identity and time

Publication numberOT-2026-000022652 · never reused
Internal UUID01a0ae70-46e9-78d2-a2bc-f6e513c413ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022652
StatusPUBLIC

Content hashes

Canonical text68a1ef4f898e4691d47d8c2406d6955bd04a8deea3931c72f71f37893176aea5
Markdown039f8098445caaa17042b43d58d6cd62631a9a178d602284721a9ad4e16433d0
PDF
Publication page5bffe1594ec3fe4ece9630e3480d99c9c00da29d6a32402930eb59ea2725cfaf
Manifest639c91230782d148a692030f3bd99993411a1e7346216b0cfd3276b1408e0c60

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
SignaturebTgiQIl5M0XY/dIiSz5O8ggFarHeZ9/ysqikFz6BEjxhk1Xa1IItBf2TONGsX+TVf4Ok2KXj3xlIRXQncF10AQ==
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

2026-09-17T11:52:02.093468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022652
observed 5bffe1594ec3fe4ece9630e3480d99c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:02.077201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022652/manifest.json
observed 639c91230782d148a692030f3bd99993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:02.061278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022652/publication.md
observed 039f8098445caaa17042b43d58d6cd62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:02.043684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022652/publication.txt
observed 68a1ef4f898e4691d47d8c2406d6955b...
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.