OpenTechnical

OT-2026-000052912

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000052912) never changes.

Identity and time

Publication numberOT-2026-000052912 · never reused
Internal UUID01a0ae84-a42f-79bb-8f41-8894d5ac308d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052912
StatusPUBLIC

Content hashes

Canonical text315fc839f9a4aadfdc8bcf023bdadded6a38f767a2dc33e414b8fb4063f2775d
Markdown11657d0583fe66a4e72cf4a9641bc91ff68f928897567f3f142d11ea7d59c88f
PDF
Publication page0607e0a83c0c88f684aa682d842ad153017951333329c40735a10370b62a462c
Manifest24a7cc5bacbb08965e6c4a45d51c0f977e390cd6e4996aac78c2c435f0571336

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
SignatureKO2+0FnBXmVix7ZlbIrpG4QKRAJPuyaSC7EvPZ9bItMC29LiROkjfqmGi+lB3UdeF6UHvbav0jQ8PexeVXhQBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:33.388087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052912
observed 0607e0a83c0c88f684aa682d842ad153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:33.368278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052912/manifest.json
observed 24a7cc5bacbb08965e6c4a45d51c0f97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:33.348863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052912/publication.md
observed 11657d0583fe66a4e72cf4a9641bc91f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:33.332271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052912/publication.txt
observed 315fc839f9a4aadfdc8bcf023bdadded...
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.