OpenTechnical

OT-2026-000050776

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000050776) never changes.

Identity and time

Publication numberOT-2026-000050776 · never reused
Internal UUID01a0ae82-c7b1-7536-9dcc-5c81cd359dad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050776
StatusPUBLIC

Content hashes

Canonical text4208b742d95babc1cb4c2598cc57454a43a0fa92e6464dd89985e947c1e4a042
Markdown9120cda21b94a94f4a3dafac798ecec901ac25b69f5132bbcb641753151f3376
PDF
Publication pageb3a55681e2645670ffbf830324b0153339cceb6814d572bc973de01bc528b545
Manifest96c535937a45d1cc64ff5d9523c811e70ff6599eaa9eb6588280add558081e36

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
SignaturezlBPyKUdMOYFH0Et1zUaI1yYVOc3bG4F0t5WJGPeZZTurE/7pVgi0YT/5Yrz1BblEOSh4ltj3WLTLgm7kuiuDQ==
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

2026-09-17T11:00:16.906749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050776
observed b3a55681e2645670ffbf830324b01533...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.874824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050776/manifest.json
observed 96c535937a45d1cc64ff5d9523c811e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.851007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050776
observed b3a55681e2645670ffbf830324b01533...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.843520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050776/publication.md
observed 9120cda21b94a94f4a3dafac798ecec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.823194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050776/manifest.json
observed 96c535937a45d1cc64ff5d9523c811e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.817642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050776/publication.txt
observed 4208b742d95babc1cb4c2598cc57454a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.794505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050776/publication.md
observed 9120cda21b94a94f4a3dafac798ecec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.763332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050776/publication.txt
observed 4208b742d95babc1cb4c2598cc57454a...
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.