OpenTechnical

OT-2026-000053272

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line 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-2026-000053272) never changes.

Identity and time

Publication numberOT-2026-000053272 · never reused
Internal UUID01a0ae85-0a15-7e49-9710-7c77cefff8b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053272
StatusPUBLIC

Content hashes

Canonical text6b328e3bd91b26137a385d85a799ca73f15be07d167d8aa282db061b7ccff7ca
Markdown986dba76fbef250de620639559e9aaa88909a4ae835fa4ae310580992bf69586
PDF
Publication page6f089ea2823ed5a16042d6fcdba81dcc8f75544fff4bc5fda0c328cece8b1585
Manifestad2d67eb9cdc0c5c5177a1bc32723a390db901e522b476be2e0563e0fd63c66b

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
SignatureKNnRmRlHyn/y9s2SQXnS5Df+ZLnaeggW7sEq10LVlz+i5HE0BRY5wo15IBUc/E39cxsoPzRHLbLJkUHEhSU0Aw==
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

2026-09-17T08:41:00.797640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053272
observed 6f089ea2823ed5a16042d6fcdba81dcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:41:00.777853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053272/manifest.json
observed ad2d67eb9cdc0c5c5177a1bc32723a39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:41:00.760570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053272/publication.md
observed 986dba76fbef250de620639559e9aaa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:41:00.742112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053272/publication.txt
observed 6b328e3bd91b26137a385d85a799ca73...
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.