OpenTechnical

OT-2026-000088151

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000088151) never changes.

Identity and time

Publication numberOT-2026-000088151 · never reused
Internal UUID01a0ae9b-1aa8-78f1-8e36-0833a96779a8 · 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-2026-000088151
StatusPUBLIC

Content hashes

Canonical text2fd972a46b4a28cce1e180c5575b7464901d6a54bdd4000808ef1db2c893ced5
Markdown1a6d27c370427739fbf58326dc6fe41b47a68f50ed5c9b31e70767b3de147fbe
PDF
Publication pagee3be7b5308f1a0166bc1476bf4686e8a48d2616998c9dd2a10493f31a3ac5c1c
Manifestc7c1b8ee0a443ca6d680ac68ea32555b8f05ae71a9b297a5b3c99ac0572833da

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
SignaturervNzIc3gs61kT4t4YK8yjDHsHoZn44nPF1Dgj/FzDvHrGuFpKEKqENXBmU4Op2ii2qvMNczPJf5EiMJUzTbaDQ==
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

2026-09-17T09:50:11.307278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088151
observed e3be7b5308f1a0166bc1476bf4686e8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.290235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088151/manifest.json
observed c7c1b8ee0a443ca6d680ac68ea32555b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.271392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088151/publication.md
observed 1a6d27c370427739fbf58326dc6fe41b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:11.254982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088151/publication.txt
observed 2fd972a46b4a28cce1e180c5575b7464...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.660282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088151
observed e3be7b5308f1a0166bc1476bf4686e8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.643382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088151/manifest.json
observed c7c1b8ee0a443ca6d680ac68ea32555b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.627367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088151/publication.md
observed 1a6d27c370427739fbf58326dc6fe41b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.611201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088151/publication.txt
observed 2fd972a46b4a28cce1e180c5575b7464...
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.