OpenTechnical

OT-2026-000032293

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three 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-2026-000032293) never changes.

Identity and time

Publication numberOT-2026-000032293 · never reused
Internal UUID01a0ae75-106d-7b7f-91f5-a24a332ad4a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032293
StatusPUBLIC

Content hashes

Canonical text6c03b1db370a83535bd950e579b05a80e1205e99e22d577b6b1245dd07565332
Markdown3336d2da36deadd4ed85e58451ad3f27931dfaf313247053a97096da9f66af9a
PDF
Publication page991e8154c3a5eea2a6230b3385c8dafb86bbf889f00e1b5b037304eee20f1676
Manifest25b3eb26e98678dfbcf56827d7e348c03092eff0aadc29c00568af7abc58b4bb

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
Signature9HKtYascu7Sm2zJQqL0lDMDU33LiloDB4NeTe7RuwCt8lKNHYx0aAw5YIaWxyBtCGnYgZHyI4eWh4kGu++BVBA==
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

2026-09-17T11:33:07.235677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032293
observed 991e8154c3a5eea2a6230b3385c8dafb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:07.215278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032293/manifest.json
observed 25b3eb26e98678dfbcf56827d7e348c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:07.194893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032293/publication.md
observed 3336d2da36deadd4ed85e58451ad3f27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:07.176565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032293/publication.txt
observed 6c03b1db370a83535bd950e579b05a80...
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.