OpenTechnical

OT-2026-000088215

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000088215) never changes.

Identity and time

Publication numberOT-2026-000088215 · never reused
Internal UUID01a0ae9b-1aa8-7c55-8852-385a20ce7687 · 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-2026-000088215
StatusPUBLIC

Content hashes

Canonical textde7001fc9e80a510dc081121e42aed90538ee5fd3db29b67f498ba4eca141318
Markdown0119a6ec9ab94cfdcc9a161b5049e244bde29321802b56bf2ce6509163635235
PDF
Publication page132731c1f60bb50021775fd8763a14f1d6585887ff9df3af5612fb15ec034cc2
Manifest4a90b80a216df222bbfe7265550dda9a4523896283dbd7fe0083201554809235

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
SignatureM7y5/2guahs94ly2WYZleflsmUfNC6PlgJOFw0rY87YZZJJkdXAMog9GbDDwFQrj+f9uu993N/54WWW3YU2JCw==
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

2026-09-17T09:50:14.852910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088215
observed 132731c1f60bb50021775fd8763a14f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.833723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088215/manifest.json
observed 4a90b80a216df222bbfe7265550dda9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.816629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088215/publication.md
observed 0119a6ec9ab94cfdcc9a161b5049e244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.799228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088215/publication.txt
observed de7001fc9e80a510dc081121e42aed90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.204398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088215
observed 132731c1f60bb50021775fd8763a14f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.188328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088215/manifest.json
observed 4a90b80a216df222bbfe7265550dda9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.172725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088215/publication.md
observed 0119a6ec9ab94cfdcc9a161b5049e244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.145328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088215/publication.txt
observed de7001fc9e80a510dc081121e42aed90...
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.