OpenTechnical

OT-2026-000033617

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000033617) never changes.

Identity and time

Publication numberOT-2026-000033617 · never reused
Internal UUID01a0ae75-a38f-7721-a316-3aeef0920890 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033617
StatusPUBLIC

Content hashes

Canonical textb94c2ffd7b10f85bf55c445063e7c24958329965002efc27c6101ce88e6f5bf4
Markdown41a855880e4848b85421231a482b23046db836186008ed7ddb80566855330c7a
PDF
Publication page8bcf32c56a56b988260d93d83973928022f5cab415895efa4d5518175f20c7d0
Manifestcc40a13b623b011b3c42c0b0523bfb3c85426a6372c2ad426dc8e8904c32aa5d

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
SignatureIIR/dS8AeY1knbSCxvP8C7vo2wz5iMlVbkJswrzicQ8CI8f6EqK/jUjxitSmmVbo9dZ7Ppkhavz5LVTW2Yo4Ag==
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

2026-09-17T11:31:35.584015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033617
observed 8bcf32c56a56b988260d93d839739280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:35.563926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033617/manifest.json
observed cc40a13b623b011b3c42c0b0523bfb3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:35.541506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033617/publication.md
observed 41a855880e4848b85421231a482b2304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:35.520896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033617/publication.txt
observed b94c2ffd7b10f85bf55c445063e7c249...
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.