OpenTechnical

OT-2026-000010952

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, 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-2026-000010952) never changes.

Identity and time

Publication numberOT-2026-000010952 · never reused
Internal UUID01a0ae6c-540d-7928-a0e5-5eb3c8a8843e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010952
StatusPUBLIC

Content hashes

Canonical text3bda1041b7596e445febc1e2a67c1b21d0fe02aeb802e8cfe8442a1d5834c341
Markdownca4566d46010d45ff5e9170c9961bfc06f6d968042e9a70cee061fef52442054
PDF
Publication page5627249004e2bc05823722442f7abd644bc538fcbb225d189882e7ed68cc85f6
Manifest7a1346539593ebac9cb1dd91cf1813f74347d6a3837be5b2901adf6b3b6eb379

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
SignaturenwpiQiJpuvpNGEE0hkXOx7C4lCl5ce3RLWuuDoNrpqt15MzgqIiZCl2vBL2tQCjm4rBpY5Iw/XbwjsgbJ4hLDQ==
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

2026-09-17T12:13:44.650073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010952
observed 5627249004e2bc05823722442f7abd64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:44.630464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010952/manifest.json
observed 7a1346539593ebac9cb1dd91cf1813f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:44.609839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010952/publication.md
observed ca4566d46010d45ff5e9170c9961bfc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:44.590702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010952/publication.txt
observed 3bda1041b7596e445febc1e2a67c1b21...
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.