OpenTechnical

OT-2026-000037521

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, manifold 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-2026-000037521) never changes.

Identity and time

Publication numberOT-2026-000037521 · never reused
Internal UUID01a0ae77-b8ce-7fd9-992d-31dad22234f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037521
StatusPUBLIC

Content hashes

Canonical textc3a30d5232f6da32ce7102dc6fa37dd7de483bc8043f97a4e49cfe3ec3f6f702
Markdown720880f11b181f1d141b98383bc71623c8840aa7ddb0215a1f6fc900fc47f673
PDF
Publication pagebfc175d01485b675e4d19476b96e1399f60750efb57a8bca8f8c1c70bc3f6ed7
Manifest729c7807f39ac100e3f58b5aa0cd4c26783c0ba1c3986b4288d135177f3da942

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
Signaturef8UAHyPHSnLudGkEkLTuateMb5hxVkrT5OlOfLPAmfncMNNovz31L1cEo178zEwN5ad9ifgU35Qi4yQ6OzcTAA==
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

2026-09-17T11:24:03.189186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037521
observed bfc175d01485b675e4d19476b96e1399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:03.168722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037521/manifest.json
observed 729c7807f39ac100e3f58b5aa0cd4c26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:03.144386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037521/publication.md
observed 720880f11b181f1d141b98383bc71623...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:03.043215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037521/publication.txt
observed c3a30d5232f6da32ce7102dc6fa37dd7...
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.