OpenTechnical

OT-2026-000079523

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000079523) never changes.

Identity and time

Publication numberOT-2026-000079523 · never reused
Internal UUID01a0ae96-0b91-73ae-8b93-601d65f0fc3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079523
StatusPUBLIC

Content hashes

Canonical text41bace1f9113571968425c689bb09c556a8aa33cdf96da396f6f15d58deb4d35
Markdown5dc2c1cb810381541458c334547af3067edd4ee09a1a96b876b122b3e541da0c
PDF
Publication page0884b4ea673efa9d490f7862b40754e1b7ca5f41ccc88fefbfd1c8f5ebe49840
Manifestfe325927fe42a71dd845b9e3e7cd403594983bec66acff92ca294e7a10d22a1e

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
SignatureICcw2ryONy18Bc+MRkZmWJN8kiJuyLxJYyCuoxSNHUk/QUefomDqYc1CTFsgEsEwb0PyRL0J14ZR1qvvfAU/Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:10.044925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079523
observed 0884b4ea673efa9d490f7862b40754e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.027027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079523/manifest.json
observed fe325927fe42a71dd845b9e3e7cd4035...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:10.006714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079523/publication.md
observed 5dc2c1cb810381541458c334547af306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:09.989880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079523/publication.txt
observed 41bace1f9113571968425c689bb09c55...
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.