OpenTechnical

OT-2026-000086183

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000086183) never changes.

Identity and time

Publication numberOT-2026-000086183 · never reused
Internal UUID01a0ae99-e82c-7656-8c00-5fc6e22a28e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086183
StatusPUBLIC

Content hashes

Canonical textf76cc3e491c17a50ccece48dd567cb6fed11354172dab1968461c524f8194fde
Markdown9a0c8ce1176b7e990b4369a0fb410eb21cd452deca0f3ab963c6b823615df647
PDF
Publication pageea0a0dd26ef381fb93bbe43b7053a7641f390a562516f5cab59a9291e163e89c
Manifest1c50690d6a3735539c1e9dbb4a57da915abf4720fae30a4ac96f725688df3d0a

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
SignatureqJ/RKF2npVpwLMhT259HvVhcFrYsgfNIYrPZyjz0QTOlUt2dfM/t+7GAC2tgcF6HMZR0sipdcx+0sLD9uBPXAA==
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

2026-09-17T09:53:51.608401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086183
observed ea0a0dd26ef381fb93bbe43b7053a764...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.591593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086183/manifest.json
observed 1c50690d6a3735539c1e9dbb4a57da91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.572596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086183/publication.md
observed 9a0c8ce1176b7e990b4369a0fb410eb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.555541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086183/publication.txt
observed f76cc3e491c17a50ccece48dd567cb6f...
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.