OpenTechnical

OT-2026-000078761

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000078761) never changes.

Identity and time

Publication numberOT-2026-000078761 · never reused
Internal UUID01a0ae95-ccbc-7861-aac8-4528c2287885 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078761
StatusPUBLIC

Content hashes

Canonical text9d49ddb7fab4345329e98ef10b231b4c8d035c1be2392bdc86fed78bca045e61
Markdownfc365fea5742d4ed2debde45c057aa559937a48d664000656ab1a0f61fc84688
PDF
Publication page874b23f251b2077cd57bfbe0652bd280e44fb87a406bcc7ba8c50b835eb0f886
Manifestf93b1c34e97a825866cdf8e3f4c951ee4263fe9b628b5940be6d80c9e2c63d03

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
Signatureuo99BRV2RC2HDEYLK9iMoPMYVTSm0Hhh8ePpTc5bhQDpTEX2MYcE626f5Zy1Ra2MW/A5F9RG8wQP2TDH82iUDQ==
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

2026-09-17T10:05:32.885154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078761
observed 874b23f251b2077cd57bfbe0652bd280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:32.866931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078761/manifest.json
observed f93b1c34e97a825866cdf8e3f4c951ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:32.847856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078761/publication.md
observed fc365fea5742d4ed2debde45c057aa55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:32.829976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078761/publication.txt
observed 9d49ddb7fab4345329e98ef10b231b4c...
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.