OpenTechnical

OT-2026-000056316

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, sustained blow-off after 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-2026-000056316) never changes.

Identity and time

Publication numberOT-2026-000056316 · never reused
Internal UUID01a0ae87-4bd1-7966-801e-ad253946328e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056316
StatusPUBLIC

Content hashes

Canonical text0373eb98370e72b2327ebff8dca88cb13920ef1010d0f82c585b7022e9de7cf9
Markdown9cd240544bad7d25e8967c4134d5e0ef509db2b943b4e559b121037634daa29e
PDF
Publication page593318930cff8a659400b1394fde39ea5be18241a67399237d8492f1dddf2ea2
Manifestbe2090b14bedb02302d8cf32ce39ee61465a7bb2224b571772c683aef8ab844a

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
Signaturen6EvgIbgLHMO9ivuIK/VaOAW29ch8yLYhbr3xJxh0xGF4U3QzLMBU4u/cu78KOTGsTGHb4ytpTxQNWKeIhgyAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:49.066584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056316
observed 593318930cff8a659400b1394fde39ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:49.049471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056316/manifest.json
observed be2090b14bedb02302d8cf32ce39ee61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:49.030753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056316/publication.md
observed 9cd240544bad7d25e8967c4134d5e0ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:49.009313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056316/publication.txt
observed 0373eb98370e72b2327ebff8dca88cb1...
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.