OpenTechnical

OT-2026-000087913

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087913) never changes.

Identity and time

Publication numberOT-2026-000087913 · never reused
Internal UUID01a0ae9b-1aa5-73fe-be51-1ab0402e6656 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087913
StatusPUBLIC

Content hashes

Canonical text35297521aac5f7f8327ba8bb59d62e70db6cb1ca08c041af077ca524da05bb97
Markdown5f54620418ecc50b1227451a188aa43f7c4778211277b299e7b73f812e38d1b0
PDF
Publication page829bdfd0b479840050ccc735db56edb4139436aeefd9b6f38266c50834da689a
Manifestfed37bc291f3051dd2867db97d93efc37688a59facfa35d5eae467a7066f0bd5

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
Signaturej7a/tMlAkjid8T2Tys1/BDBaKuPx1DbwZbl2/EF4it+tv7IvBbRZlYCoYYxEHGFwfEe8s90vO37g8IVJaK4/Dg==
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

2026-09-17T09:49:11.879035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087913
observed 829bdfd0b479840050ccc735db56edb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:11.860864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087913/manifest.json
observed fed37bc291f3051dd2867db97d93efc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:11.842150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087913/publication.md
observed 5f54620418ecc50b1227451a188aa43f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:11.824072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087913/publication.txt
observed 35297521aac5f7f8327ba8bb59d62e70...
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.