OpenTechnical

OT-2026-000082819

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000082819) never changes.

Identity and time

Publication numberOT-2026-000082819 · never reused
Internal UUID01a0ae97-8cc9-754a-8e80-ec30f72adb1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082819
StatusPUBLIC

Content hashes

Canonical textf37160ecf9f2820691ae9af50241d97a62cd29b68a81bdeba2dc85440ff0361e
Markdowndb99ad83b64a0a61e3aec39081e0c1d8b5e5ca9cbd823e5ffd6774551df04377
PDF
Publication pagecc34dc3ef1967365a58d18ec6d5433d72a447ba43f262d3db100580580201100
Manifest1bf7aefd3649a4be31f2d281167f88e1b6b8d8e6c21df05d379f442792e528e7

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
SignatureOoHyBLFkNsnKuEBr7bP0uPyvjwjWV3bcEmGzI2iEN1viORPDg5vhdu7nJBkbSB0E7HWj30K5pFbVzENOT5BfBQ==
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

2026-09-17T09:58:24.984406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082819
observed cc34dc3ef1967365a58d18ec6d5433d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:24.964531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082819/manifest.json
observed 1bf7aefd3649a4be31f2d281167f88e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:24.947000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082819/publication.md
observed db99ad83b64a0a61e3aec39081e0c1d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:24.928164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082819/publication.txt
observed f37160ecf9f2820691ae9af50241d97a...
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.