OpenTechnical

OT-2026-000087885

Publication integrity record

Four cup vacuum gripper, four 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-2026-000087885) never changes.

Identity and time

Publication numberOT-2026-000087885 · never reused
Internal UUID01a0ae9b-1aa5-70de-9ab8-250620bbae41 · 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-2026-000087885
StatusPUBLIC

Content hashes

Canonical text1919fd1a858d397da6a58ad5607a609684fddb3c1f7723e2026ffb75a66c169b
Markdown82448bcc675456c0412650cf45b41adb5d6630457841af25b091f33d49c19a9c
PDF
Publication page01e909267f0171b3a13d5254c725bb999b3121ff0b10ede3cfece9f3219afaeb
Manifest99302ed45ffaeda5b04082eb50e334d28e361b88f24ae1c5eca0bd9f3caa12bd

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
Signaturek3fynovV9TLD4Soi9uQGnf2j6YmXa4rvoClGq9/W6GRm61l9CJfQoAudHOkFhfJ9ymwqQRWrS3oMyzcQwjfECA==
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

2026-09-17T09:49:09.266317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087885
observed 01e909267f0171b3a13d5254c725bb99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:09.245957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087885/manifest.json
observed 99302ed45ffaeda5b04082eb50e334d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:09.225761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087885/publication.md
observed 82448bcc675456c0412650cf45b41adb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:09.206688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087885/publication.txt
observed 1919fd1a858d397da6a58ad5607a6096...
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.