OpenTechnical

OT-2026-000015859

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, 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-2026-000015859) never changes.

Identity and time

Publication numberOT-2026-000015859 · never reused
Internal UUID01a0ae6e-0c4c-71f3-8994-6b675b33478a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015859
StatusPUBLIC

Content hashes

Canonical text3ba22306bd19a6f49a1ef42097f7ee3e01aad4add0c6e4d08d35c716e95aaed5
Markdown733cb8c922fc21aeea1a37b849664143ed2118310208ba1e7a836d437e8cca80
PDF
Publication page45f649adae670273629f347c04c7f2d4dab0738d8675f06a5851151cd8c37cae
Manifest161258a8508d789d46dd8d4c0b834e4c5fd4da63a5961b9ccb4150f008e60047

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
Signature1I5ZDRraHRLrJNLvPFbtaJVCTgQ964FQInx3JPzSU0pXrUp+IXcagsOc2mddjM49VlFR+96VEW1kwpb3WGSuBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T12:05:18.049759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015859
observed 45f649adae670273629f347c04c7f2d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:18.031183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015859/manifest.json
observed 161258a8508d789d46dd8d4c0b834e4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:18.012049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015859/publication.md
observed 733cb8c922fc21aeea1a37b849664143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:17.991919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015859/publication.txt
observed 3ba22306bd19a6f49a1ef42097f7ee3e...
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.