OpenTechnical

OT-2026-000081303

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum 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-2026-000081303) never changes.

Identity and time

Publication numberOT-2026-000081303 · never reused
Internal UUID01a0ae96-f374-7348-9782-57585dc21d05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081303
StatusPUBLIC

Content hashes

Canonical text1bc7653adc4bcd4144c93763a014d95394f92f4ba1bea676b084307953bc88a8
Markdowna9883a63cd1fec2a52dc1f321c96b27328241178321f9530cddbb8d1d9b6e4fb
PDF
Publication pagee8b14d2b5127a595051c54de5b744003b85e1615de6bd98991cd909a2fd48010
Manifestacbfbb493e249108180747672037e6cdba44da0a39cde80894ac34c7906def4e

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
SignatureVatkOByzSiShCTeC3azcPTGRn7QvDnru/TkF78i2SqtJeG9Fji9cDzLn1eqf6pyScowZ0jaK2of4Zbfp0TnkAg==
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

2026-09-17T10:01:24.911855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081303
observed e8b14d2b5127a595051c54de5b744003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:24.893662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081303/manifest.json
observed acbfbb493e249108180747672037e6cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:24.874144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081303/publication.md
observed a9883a63cd1fec2a52dc1f321c96b273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:24.852414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081303/publication.txt
observed 1bc7653adc4bcd4144c93763a014d953...
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.