OpenTechnical

OT-2026-000102175

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pulsed 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-2026-000102175) never changes.

Identity and time

Publication numberOT-2026-000102175 · never reused
Internal UUID01a0aea4-50f3-76a3-ae15-6d320eca5ed6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102175
StatusPUBLIC

Content hashes

Canonical text3baf5a4935bfb947f1e5fc9960f58ca2d9a668e06b6afd6bb10e5ec7fed7a9b8
Markdowne3e7e7fbf42fba5e8059b7935f506e32e38d31674c26eb8a4d765cbac186de17
PDF
Publication page015d942f544ff88857aa79f964034c46207c2da44bfa180d6b05bb4333eab631
Manifest3b5cc5dd703c4d689a1a9a597a9cc4a476420a89fb8ddf66fbe4d1e8adaeffd8

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
SignaturejcYiyZdpof62TYRoO5evaDLTLG1P9PKptb97ELXwlVXsSZV2LoUj4K00bywor2qVEG5mDHqpogrD0EiTf618AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:20.783344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102175
observed 015d942f544ff88857aa79f964034c46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.767084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102175/manifest.json
observed 3b5cc5dd703c4d689a1a9a597a9cc4a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.750319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102175/publication.md
observed e3e7e7fbf42fba5e8059b7935f506e32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.732257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102175/publication.txt
observed 3baf5a4935bfb947f1e5fc9960f58ca2...
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.