OpenTechnical

OT-2026-000087862

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000087862) never changes.

Identity and time

Publication numberOT-2026-000087862 · never reused
Internal UUID01a0ae9b-1aa5-77fc-bbd2-963ee023ee9c · 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-2026-000087862
StatusPUBLIC

Content hashes

Canonical text924bc72959bc020ac4bc5d562f09e6c6905f8f9a9f2daf3144263e85bac38f2b
Markdown125347a928007b13dd453316f44fda2a43fdc8c141244ad3c822db404fc39f8e
PDF
Publication page19f8f73832eda78ccd571c4a2a347d20d494258216707747f7bdb299887123e0
Manifest7e32f866176a5043a850a825683b3f1a1632c68b3ba367fd43c27bd2d99101e8

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
Signaturewn8+NWd4VjqeMZpcFsbNPvjTXifk70WtdIrZ3XAP+66ChQe8a79+o5H1CYosw0ppVw247QxDi5M9hOddqp2SBA==
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

2026-09-17T09:49:06.898442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087862
observed 19f8f73832eda78ccd571c4a2a347d20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:06.878782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087862/manifest.json
observed 7e32f866176a5043a850a825683b3f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:06.860322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087862/publication.md
observed 125347a928007b13dd453316f44fda2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:06.840366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087862/publication.txt
observed 924bc72959bc020ac4bc5d562f09e6c6...
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.