OpenTechnical

OT-2026-000081148

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000081148) never changes.

Identity and time

Publication numberOT-2026-000081148 · never reused
Internal UUID01a0ae96-b977-7318-9474-b576771c8781 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081148
StatusPUBLIC

Content hashes

Canonical text58f0680f8dc62d3fc7bcf6116991056d2a853e57b3d41cc846b8d8eccab1d670
Markdown4edebf4715763564f47972555694117c9c93eb292133d92f2b4122ebe250588b
PDF
Publication page31aa1a5f3cb042da3feac4111614948c0a9002720db1db3092f399d6c4225d80
Manifestf3e43eabc1a8a1157d264e9ee2f7640303314046a585f80456c2bca08b843536

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
SignatureROspTHI3b/vKhZWA+W8czEL6MB93I4eSXSo30IuHJQ1Egfk76s0yJoimX+gFkL5u6/3zrnInwZOsB9JhaXcYBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:32.303497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081148
observed 31aa1a5f3cb042da3feac4111614948c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:32.281693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081148/manifest.json
observed f3e43eabc1a8a1157d264e9ee2f76403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:32.263555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081148/publication.md
observed 4edebf4715763564f47972555694117c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:32.246377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081148/publication.txt
observed 58f0680f8dc62d3fc7bcf6116991056d...
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.