OpenTechnical

OT-2026-000026121

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three 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-2026-000026121) never changes.

Identity and time

Publication numberOT-2026-000026121 · never reused
Internal UUID01a0ae71-a840-7390-be1b-5070691ea5f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026121
StatusPUBLIC

Content hashes

Canonical text3ab675f2cce338bddd3f39b4296d56b2434adfdf71e0b9620a511644d8b67a90
Markdown75bba28082b7dac1c43a8ebab63079d80b42b9f2b7bb472657f1ec05daa1fc6b
PDF
Publication pagebed5d791d37f0dbe256fd39b8e17cf9a3c6c7623d3fe3ac064a21cc121722443
Manifest9a16099353f921af607ad9cc5f4e8fe5b7319be79c3602cafad2cf623516c9a5

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
SignatureYTn23p+x0+2HQgQJVYjZQWPNi5hETYi41Cb343ixFvdzM42nqcQv0XDu2+jG5L7+0pw50ax5RKFvw90Ht4pfDQ==
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

2026-09-17T11:46:36.883425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026121
observed bed5d791d37f0dbe256fd39b8e17cf9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:36.866149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026121/manifest.json
observed 9a16099353f921af607ad9cc5f4e8fe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:36.848020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026121/publication.md
observed 75bba28082b7dac1c43a8ebab63079d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:36.829617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026121/publication.txt
observed 3ab675f2cce338bddd3f39b4296d56b2...
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.