OpenTechnical

OT-2026-000079698

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000079698) never changes.

Identity and time

Publication numberOT-2026-000079698 · never reused
Internal UUID01a0ae96-4375-792e-8f4f-cc6b70a9468a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079698
StatusPUBLIC

Content hashes

Canonical textbbfd96bf5226cda11dfd4a99e4c7f7317535e88742bbf6ba3c4085fc1c9add32
Markdown53f744c49922dbf68ac94c3814f7411981f1c9be78e38dde3c660ba68484d71c
PDF
Publication pagea78f3ea1212393a1f75076409ea90e63cb35d4dbd61dda00ab06c63d7b0711a7
Manifest4da3a72d02b2bd60fbf29b95d31438b0dd046c55d330ce3ba19e2e4980ed305c

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
SignatureAPZzbPK+iPiqztERqyLPhiA31JjEOnqKl1RRD8MOfkc2SqIvG4Y9TZp2iGRS10WMaBqH8thFoZQ2I8wk2/ZGBA==
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

2026-09-17T10:03:28.296812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079698
observed a78f3ea1212393a1f75076409ea90e63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.279556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079698/manifest.json
observed 4da3a72d02b2bd60fbf29b95d31438b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.260906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079698/publication.md
observed 53f744c49922dbf68ac94c3814f74119...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.243373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079698/publication.txt
observed bbfd96bf5226cda11dfd4a99e4c7f731...
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.