OpenTechnical

OT-2026-000056219

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000056219) never changes.

Identity and time

Publication numberOT-2026-000056219 · never reused
Internal UUID01a0ae87-4bd1-74dd-8b2c-6a9c580c9e53 · 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-2026-000056219
StatusPUBLIC

Content hashes

Canonical text6c035f725f39a7d2297aa407d33b092087fb01901b2ffd361e34e4e0c085a127
Markdownc701f85fee1bfb62bb955bb0c8778f04b208451618a9c04d240f72602c8d5376
PDF
Publication page221e56272b2dc0eb4ab4807b5aa0f7120322e07e852a1773fb2a612588fd75dc
Manifest8611998804c23bd2930ca1a78ba65133e99bfff7ecdd7ff9eb59b2e38161c0e4

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
Signature4HDjtTobko6PHgvHllXMhJQ+9XmUushsDP2zFoS6GjCtMCapZUPZukrTiwNMyMFCcjVcvgFxRq5Nmv5hksOFAw==
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

2026-09-17T10:50:41.702294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056219
observed 221e56272b2dc0eb4ab4807b5aa0f712...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:41.684821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056219/manifest.json
observed 8611998804c23bd2930ca1a78ba65133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:41.667736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056219/publication.md
observed c701f85fee1bfb62bb955bb0c8778f04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:41.650385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056219/publication.txt
observed 6c035f725f39a7d2297aa407d33b0920...
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.