OpenTechnical

OT-2026-000085849

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, 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-2026-000085849) never changes.

Identity and time

Publication numberOT-2026-000085849 · never reused
Internal UUID01a0ae99-e829-735f-8260-a75a3c7a6550 · 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-2026-000085849
StatusPUBLIC

Content hashes

Canonical text5b6273154263ec911fbfc1a749c55614fd6d48d6662dc78bebbadc93bda6dfcb
Markdowna1eed29bc7a85ec9ff7d4f1581075e7a9bbee4ef9b027ce804acada718abb4d9
PDF
Publication pagebdae25fda7d25df6adb453b2512a87f30865400f05a592ec6a0d3e766a231506
Manifest2b4cb46c72a3799080dae53510194f8306f25c691526fc1a9d852311fa9e79d6

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
SignatureR5Ww/T9mAZ2V0suJwrxRwKA+Fo3zNnmsajJ7pemgVxcNY0fWMRrZiPSpp2foWP4bHfUs0lAr1ZJkPJkBBKkeCg==
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

2026-09-17T09:52:46.549648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085849
observed bdae25fda7d25df6adb453b2512a87f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.532316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085849/manifest.json
observed 2b4cb46c72a3799080dae53510194f83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.514072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085849/publication.md
observed a1eed29bc7a85ec9ff7d4f1581075e7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.499241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085849/publication.txt
observed 5b6273154263ec911fbfc1a749c55614...
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.