OpenTechnical

OT-2026-000050518

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after set-down

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-2026-000050518) never changes.

Identity and time

Publication numberOT-2026-000050518 · never reused
Internal UUID01a0ae82-5c49-7d6e-b052-3ea2a596dea6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050518
StatusPUBLIC

Content hashes

Canonical text4cf37dfd991d7c4038c96658376b6088ebc9e8ee95a29cef2411bb1090c2cfa7
Markdown1b32ccffceb45f4e0b37875161414753f4257d47028e0ad693e322f93acf698a
PDF
Publication page6982b267bbe896c935b831c7dd92480db15ef5a2bb0cfd2d56697dae56d755db
Manifestbd0f3a4946855e75db08fdf4488cff2d8a8c9145bf7addf81b7a1245de250bf2

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
Signaturetb3cQGf15oRVqOOQ5L6VQ1/NzM3BoPGx1FEHzlA6Z7ZQSYHuFQbv41TOm1HXZQBK0MMQeftSPe2Eu4sI7NBVDg==
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

2026-09-17T11:01:34.821838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050518
observed 6982b267bbe896c935b831c7dd92480d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:34.806901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050518/manifest.json
observed bd0f3a4946855e75db08fdf4488cff2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:34.791864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050518/publication.md
observed 1b32ccffceb45f4e0b37875161414753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:34.775521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050518/publication.txt
observed 4cf37dfd991d7c4038c96658376b6088...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent