OpenTechnical

OT-2026-000048272

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two 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-2026-000048272) never changes.

Identity and time

Publication numberOT-2026-000048272 · never reused
Internal UUID01a0ae80-4de3-7d9b-8be0-523a97a2b31a · 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-2026-000048272
StatusPUBLIC

Content hashes

Canonical text427045bfbaf52e9cd8a3f14b658d250d6341ee2d24c5bae1bd4b98953a895f0b
Markdown66904a3923f9dfd4312c12f434674d498fc9baa2fa2e430ad8f45dca1c7cc508
PDF
Publication pagea09cf9a0733987c0b0bb54856d3c157847f1de09730de7095addd470188f904c
Manifest279765cd769b8a2a84748f03d2f6a17f6d4bba04f6cdcbcb03614290b130b96b

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
Signaturei7JbAo6o0F3EVj4BO2p8q68j22w2DOkKEqE2X7T3AV6L7nBixbXtBgwzdjehtsBaR/IIfbGQSGxmhRJxYofLDQ==
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

2026-09-17T11:04:50.980007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048272
observed a09cf9a0733987c0b0bb54856d3c1578...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:50.957762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048272/manifest.json
observed 279765cd769b8a2a84748f03d2f6a17f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:50.934182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048272/publication.md
observed 66904a3923f9dfd4312c12f434674d49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:50.913869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048272/publication.txt
observed 427045bfbaf52e9cd8a3f14b658d250d...
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.