OpenTechnical

OT-2026-000014172

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, pulsed 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-2026-000014172) never changes.

Identity and time

Publication numberOT-2026-000014172 · never reused
Internal UUID01a0ae6d-b279-72f8-b68c-db887773dbd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014172
StatusPUBLIC

Content hashes

Canonical text3adc3322d146b6ce056f985d00be7d96926eb25caede265b52bb5cd91586040a
Markdown0a6d6f2419fea8340b2ddc5bb6d15b7ffc99f7ab25c5930193217599bd7891a7
PDF
Publication pageca44fa7555aa5442eb3d870a4d9c5edd8cb5be586a5a1bef7d6622957971057a
Manifest4945199927aa93b0b2b2028c50dc5a48d313ddc6a8f106b252efc299d170ed69

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
SignatureTaehkEFD0I/MIq0HPQrqPXRa7e2B7E14GeQYeY09yCQaDyFZ1nuuAYoo5mtekIRkSIw/78gcKYu6+9S4Qcs0Ag==
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

2026-09-17T12:07:15.766774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014172
observed ca44fa7555aa5442eb3d870a4d9c5edd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:15.746511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014172/manifest.json
observed 4945199927aa93b0b2b2028c50dc5a48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:15.726529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014172/publication.md
observed 0a6d6f2419fea8340b2ddc5bb6d15b7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:15.704911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014172/publication.txt
observed 3adc3322d146b6ce056f985d00be7d96...
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.