OpenTechnical

OT-2026-000033280

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000033280) never changes.

Identity and time

Publication numberOT-2026-000033280 · never reused
Internal UUID01a0ae75-897f-7763-a183-ccc869a18fb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033280
StatusPUBLIC

Content hashes

Canonical textb51b84c0bfca04dbd104dc6b426111a45c60ec04cf044efff5500cf24da8d201
Markdown1f8d7a59760c50f3a5e514c520876f84cfe73805a704da967e30950b3e7f5167
PDF
Publication pagea91b8b853f2a8b41ce63ffe56ea1e67d76bfd8c5e45f74f92238d2131dfcdba4
Manifest40b05f6a4402db39d3df08a8bf724dd0d5db38679171a1804e78fa1859c8e52e

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
Signaturezs0y3cl0dL/T1CvsF1V5gZMoSwjSgf5ICT/FPeHRksD+GeFHp+w89orzxppK+Zv3eHXIJnKKfJPThvkQEgn2Cw==
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

2026-09-17T11:32:01.233161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033280
observed a91b8b853f2a8b41ce63ffe56ea1e67d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:01.214470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033280/manifest.json
observed 40b05f6a4402db39d3df08a8bf724dd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:01.196410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033280/publication.md
observed 1f8d7a59760c50f3a5e514c520876f84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:01.176436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033280/publication.txt
observed b51b84c0bfca04dbd104dc6b426111a4...
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.