OpenTechnical

OT-2026-000083601

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000083601) never changes.

Identity and time

Publication numberOT-2026-000083601 · never reused
Internal UUID01a0ae98-0415-7c39-a040-06087fc5319b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083601
StatusPUBLIC

Content hashes

Canonical text66fbd6343f1b854ac98f8d9de5d497cc1c12a1ada63a34d238f43bbb2403acc1
Markdown6ba9ffa1f6e46a8f6872166e50b0e24fe12058524cc491344e10bbbf3f639825
PDF
Publication page8de61a5dacb2ec0b79e7a7e676783347518d41982b6e747ec6c4097373ebb08a
Manifestdd2ec00219240a3165c05c4885f672b3c11eb31a4e6c42d16c903a6815b42e7b

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
SignatureclV915xXrwKZpHrXYhMUL7gFmZoYy7u9oOhAkhuzveIQeu0EScgvfXtdo2y0lPR42D56CqZpNoAIozrR+YrkDA==
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

2026-09-17T09:57:05.726583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083601
observed 8de61a5dacb2ec0b79e7a7e676783347...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:05.709423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083601/manifest.json
observed dd2ec00219240a3165c05c4885f672b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:05.692288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083601/publication.md
observed 6ba9ffa1f6e46a8f6872166e50b0e24f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:05.676617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083601/publication.txt
observed 66fbd6343f1b854ac98f8d9de5d497cc...
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.