OpenTechnical

OT-2026-000023376

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000023376) never changes.

Identity and time

Publication numberOT-2026-000023376 · never reused
Internal UUID01a0ae70-7268-7b64-8c51-aee8ab32f621 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023376
StatusPUBLIC

Content hashes

Canonical text83a47559d57496b33541994e45ce0c98c43cb8cf90226c45dc7df0d5eccb4cb8
Markdownb941120675269690ba702660ffc321a018b1e66d12488940ef92452d4c68bc22
PDF
Publication page06e1737be3386ceb1883dcc7c73465d6c1f0759d41645c6202abb56b882382ad
Manifest140d02aa214cb62e88f146e652a90c706b571e3719f958ccb1d279ca28c4f984

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
Signature0/EdtIlYaK5rVUR+j5Z3G+gteOw/KQULnDWCGXuhMzUU+LAG7rIi67R9dlmw2rGi/BXydxEk8Maw1jYMzbkXBQ==
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

2026-09-17T11:51:34.319583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023376
observed 06e1737be3386ceb1883dcc7c73465d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:34.302736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023376/manifest.json
observed 140d02aa214cb62e88f146e652a90c70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:34.285558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023376/publication.md
observed b941120675269690ba702660ffc321a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:34.267970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023376/publication.txt
observed 83a47559d57496b33541994e45ce0c98...
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.