OpenTechnical

OT-2026-000087962

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000087962) never changes.

Identity and time

Publication numberOT-2026-000087962 · never reused
Internal UUID01a0ae9b-1aa6-7160-9176-cc127a6a92ba · 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-2026-000087962
StatusPUBLIC

Content hashes

Canonical textf2323609fa331bb7317c7f4ff4ed4d9a486698e4a5d585a5e5b23d18e15ed880
Markdown067b449156f38afe9eee2afe5b5ac40f8c12b8c66fd631a3ef05f8e52abec5ae
PDF
Publication page7d7d99464f6e2834f46d6b180579139d6f561ab8d707ebd9d92d76e642054d9f
Manifest431d5e9180b6cc360c242de38541083ee2edb322d43d6f904e87a9443887e21e

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
SignatureYDJ611oHjqVHK/bRAH7azdqWlhG5a3QnXK6fGKAmpGu74t/q/pry9EiQ2Zu8jEaS2aYBP/G2KcMO+tKUPGt1Dw==
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

2026-09-17T09:49:15.334508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087962
observed 7d7d99464f6e2834f46d6b180579139d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.317156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087962/manifest.json
observed 431d5e9180b6cc360c242de38541083e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.299561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087962/publication.md
observed 067b449156f38afe9eee2afe5b5ac40f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.281698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087962/publication.txt
observed f2323609fa331bb7317c7f4ff4ed4d9a...
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.