OpenTechnical

OT-2026-000085118

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four 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-2026-000085118) never changes.

Identity and time

Publication numberOT-2026-000085118 · never reused
Internal UUID01a0ae99-43b9-7222-9cb7-43dda43c9eab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085118
StatusPUBLIC

Content hashes

Canonical text8e1df5bf05ad3dea1f77df81e2c12598c012a953dc4c13a56ac4e07f8bd9708e
Markdownda14b35a833b61ca589dc8f1f2e2d055bf2d5c6a171446eb0314e3f2fcbe5376
PDF
Publication page2451e962dbccc336997846724aa86383e9a12a6ae49bb0c072c1f10e969f4ccf
Manifest676c3974573cf119f1b69c023c608474c59184a7f6e6f934197f61a4e7bbca04

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
SignatureFsO1ouM9ikwWgnY+g5/bScbQQGuW2bca/zCT1L+72RrQou/Kuyc52FpMrNPLv5DK1Xbj8ARCcBxAqJR1+nqPAQ==
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

2026-09-17T09:55:11.392161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085118
observed 2451e962dbccc336997846724aa86383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:11.373281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085118/manifest.json
observed 676c3974573cf119f1b69c023c608474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:11.357214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085118/publication.md
observed da14b35a833b61ca589dc8f1f2e2d055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:11.337920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085118/publication.txt
observed 8e1df5bf05ad3dea1f77df81e2c12598...
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.