OpenTechnical

OT-2026-000086019

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three 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-2026-000086019) never changes.

Identity and time

Publication numberOT-2026-000086019 · never reused
Internal UUID01a0ae99-e82b-7549-bc96-013e90750cef · 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-2026-000086019
StatusPUBLIC

Content hashes

Canonical text6c9370567087c6d747926f387aba7215f17e637dbae31642bea5a8969b73dd35
Markdown70877e840f868183bb2e1c404b897eaefde6172af0948bfb93b3e98f9474a40f
PDF
Publication page09304710d7cbf14c19712f2db887a25224f3e33bb63950d7abf8f0f9c5980b12
Manifest91b713ba66c3b13cec22fcce87576c721c03077ce407abbf5dc5ef2dec081fbc

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
Signaturen6nzedCv7you98lpgbSjNWn3SVCEwSxJi2vS5yO13OSCABDOOGsk22RaKq9FzJvd6pvmTzFyU1TOHgXcrnnKCA==
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

2026-09-17T09:53:00.549487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086019
observed 09304710d7cbf14c19712f2db887a252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:00.532677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086019/manifest.json
observed 91b713ba66c3b13cec22fcce87576c72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:00.516888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086019/publication.md
observed 70877e840f868183bb2e1c404b897eae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:00.498102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086019/publication.txt
observed 6c9370567087c6d747926f387aba7215...
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.