OpenTechnical

OT-2026-000091301

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091301) never changes.

Identity and time

Publication numberOT-2026-000091301 · never reused
Internal UUID01a0ae9c-f16c-7c0c-b17b-2f76beaba691 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091301
StatusPUBLIC

Content hashes

Canonical text23d5b8bade714f62be8946f58a0ac7d1e9b1a0b8139b574df3a26dd84955f23f
Markdownf6efba95cd0dc93b3614ceb85b03b39fdfa9d4eabb8a99f204b40e3de7499b6e
PDF
Publication page143c874757fff14e54e0ffacdb04adf4b13e98bcd817c30954441c4c9a3b6f3f
Manifeste02cffd9156e8317ea220e1651720c3a1d2c6b2aeb562ebe73884b154a69b70d

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
SignatureSEmfPOgjyxx4lcQiTdEQwhIsLS7qwtr54bEI3R2bq8n/q3SsCLnu+TKy+9kKdfqj8IbSI03/QGqeVlQNugSkCw==
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

2026-09-17T09:43:29.928810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091301
observed 143c874757fff14e54e0ffacdb04adf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:29.912391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091301/manifest.json
observed e02cffd9156e8317ea220e1651720c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:29.893984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091301/publication.md
observed f6efba95cd0dc93b3614ceb85b03b39f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:29.877511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091301/publication.txt
observed 23d5b8bade714f62be8946f58a0ac7d1...
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.