OpenTechnical

OT-2026-000087630

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000087630) never changes.

Identity and time

Publication numberOT-2026-000087630 · never reused
Internal UUID01a0ae9a-cd53-7d78-8fdc-da12dd82be43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087630
StatusPUBLIC

Content hashes

Canonical text4918cea4d7d46b8e24ad195fe0784a9a6708e8f60358bed564c2cb68cc2690f7
Markdownfbcfc2fc4d8067c003111bb85a3425e4dc49c996d8f83bdb3f08b8bcd5acd08d
PDF
Publication pagec20bc661a9d90e65f814bfc4375047894d09e93b8c3f65db374eef6307404ad3
Manifest698442b24620734765543e7a51f5fe8f91fbd52cb52b644277ddc0725287a08a

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
Signature4VQvUKqkTWei8Y8NGofIFxE4yXNEpPa2wn8T6uhdy/WDUJVf4hyaizk5soERi68ZgshRoqDW9mzdrktbAAbRCg==
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

2026-09-17T09:50:21.945766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087630
observed c20bc661a9d90e65f814bfc437504789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.926292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087630/manifest.json
observed 698442b24620734765543e7a51f5fe8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.907450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087630/publication.md
observed fbcfc2fc4d8067c003111bb85a3425e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.887262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087630/publication.txt
observed 4918cea4d7d46b8e24ad195fe0784a9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.838016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087630
observed c20bc661a9d90e65f814bfc437504789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.819300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087630/manifest.json
observed 698442b24620734765543e7a51f5fe8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.802051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087630/publication.md
observed fbcfc2fc4d8067c003111bb85a3425e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.785395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087630/publication.txt
observed 4918cea4d7d46b8e24ad195fe0784a9a...
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.