OpenTechnical

OT-2026-000053921

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000053921) never changes.

Identity and time

Publication numberOT-2026-000053921 · never reused
Internal UUID01a0ae85-b3a6-79cb-aa55-46b6308fda82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053921
StatusPUBLIC

Content hashes

Canonical textdf77368dd3a65e3943bf4516128f2bd33d51796413b13afe936cf7f36417ff78
Markdown8f65daaa45d1c8087981e2943ae35d2a31b739bdda40f73248974a22364d7d93
PDF
Publication page47d626448dbff8385dcff9c426c5816902c59face679e019f2ac1b963458209b
Manifest5b9b5ff3f860acca2859c35b9cb3d4ae0eaf154c9a8c03000582ad3deaf978b6

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
SignatureH/Oeyf9PS5k9+ElkLFFUX2rEKjXQK+NNGuYzNNDdFO1VL9WKaYAnDorms1Tdqg5+xshbc96RzLETFAxBzFQdAw==
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

2026-09-17T10:54:09.679503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053921
observed 47d626448dbff8385dcff9c426c58169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:09.659384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053921/manifest.json
observed 5b9b5ff3f860acca2859c35b9cb3d4ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:09.638600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053921/publication.md
observed 8f65daaa45d1c8087981e2943ae35d2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:09.621281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053921/publication.txt
observed df77368dd3a65e3943bf4516128f2bd3...
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.