OpenTechnical

OT-2026-000085974

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single 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-2026-000085974) never changes.

Identity and time

Publication numberOT-2026-000085974 · never reused
Internal UUID01a0ae99-e82a-7a92-990e-bff1dee87820 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085974
StatusPUBLIC

Content hashes

Canonical text65811d4092d49fca57c986f1d7a321a76998f09a5954405bf98dea72c223b12f
Markdown03023d56ab365afd79d64f96da6c04565197e23fba61fe8e3a8239c7fb692f43
PDF
Publication page1bc3e9a348099556e125425468612bdeb2272b92fe250cd6b085b04aa312ea4b
Manifest489459ac490bc520e002ab7b4dc9811782acfc9681ec782f3732dd9b39d2b359

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
SignatureoOGr0X2UZMYsNBZz7wS9/eF6T4EfGU29F9AR9w+R+w5qSNJG0LYSLXoABfMj6Rev44NcdqFztwj1b3yeI3AUAg==
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

2026-09-17T09:52:56.839817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085974
observed 1bc3e9a348099556e125425468612bde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:56.818619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085974/manifest.json
observed 489459ac490bc520e002ab7b4dc98117...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:56.795974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085974/publication.md
observed 03023d56ab365afd79d64f96da6c0456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:56.777721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085974/publication.txt
observed 65811d4092d49fca57c986f1d7a321a7...
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.