OpenTechnical

OT-2026-000088735

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000088735) never changes.

Identity and time

Publication numberOT-2026-000088735 · never reused
Internal UUID01a0ae9b-8f10-7315-ac26-1775d8a102db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088735
StatusPUBLIC

Content hashes

Canonical textcf0be0cfef297eb4e489b70be2409afb30b093fd242db30ff2ed1b29161193ef
Markdown04f71fab5592fd0abc9ed2da1a2c5362c5c2eeeaad61bdd392769da4cc4c063b
PDF
Publication page4f76439e00e50501d9005c4718bbf43d3d0c8de9b00dc2b3e2625a18023558ed
Manifest66c80deb9ae2c683dfa6ec6479938feccdd8894d2fda9f59127e9dec0611c43c

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
SignaturePBJyC8ZvgRmK1DLZ95EewQPFxecXfa9mY9RBpINN5ODUhGIwq4RN/n4yRcGe7cTpx73weQe3qg+SiAAG3bV+BA==
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

2026-09-17T09:47:58.778460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088735
observed 4f76439e00e50501d9005c4718bbf43d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.762034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088735/manifest.json
observed 66c80deb9ae2c683dfa6ec6479938fec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.743412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088735/publication.md
observed 04f71fab5592fd0abc9ed2da1a2c5362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.725984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088735/publication.txt
observed cf0be0cfef297eb4e489b70be2409afb...
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.