OpenTechnical

OT-2026-000048366

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000048366) never changes.

Identity and time

Publication numberOT-2026-000048366 · never reused
Internal UUID01a0ae80-4de4-72ba-b852-1c58bdb71d11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048366
StatusPUBLIC

Content hashes

Canonical text1082ff689972634ff6d2c0d5d2500d63798e49fedbd9a9547c6ac96ba3e1ee9e
Markdown237db6d16787134956db3ac8a9edf7beb0fb290e362a842286d40a405f0b9add
PDF
Publication page32a328a60face447710329acadfc085b6fc1ae81486ef32a0486494dc1ba72a4
Manifest9fdbed09ff6515f00716bd362578488b98ae237864464a5702a3131759b09c27

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
SignatureV5ZBYJf/Ou3LkL1CmbOs1CcTWZwOmD3y0usGvSMy2CZmiun/vwHSHny4cvrCnp6uA5WIidm/UofVdXySodrLAQ==
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

2026-09-17T11:04:59.315065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048366
observed 32a328a60face447710329acadfc085b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:59.297581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048366/manifest.json
observed 9fdbed09ff6515f00716bd362578488b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:59.276525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048366/publication.md
observed 237db6d16787134956db3ac8a9edf7be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:59.256102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048366/publication.txt
observed 1082ff689972634ff6d2c0d5d2500d63...
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.