OpenTechnical

OT-2026-000069120

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000069120) never changes.

Identity and time

Publication numberOT-2026-000069120 · never reused
Internal UUID01a0ae90-6dce-7a8a-a006-29b56a43a822 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069120
StatusPUBLIC

Content hashes

Canonical text46be1d13244e757b20aaf6132f6e45a97d932017f151c447d121dab33f299e34
Markdown1f1f35a606b5050411837ae0fd7ed329ff24a871a77eede7af5471afef3c25d1
PDF
Publication paged37c017c1106cb3572dd3301112dbe3d6b14932ca8530b6be1333fc9241ce27f
Manifesta5ab57acde6d01fa2dc7ed2bc1855dc7157a5136cfa2100d914e983b5f779c58

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
Signaturen+goVUBa2edqASnIgDAaJmHWGrHNT1jHS0sba89j90Z4SI1Mppg4VonSqFxVu/TPD4+iRpPPUXK4B21IHr1ADw==
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

2026-09-17T10:28:59.902390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069120
observed d37c017c1106cb3572dd3301112dbe3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.885785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069120/manifest.json
observed a5ab57acde6d01fa2dc7ed2bc1855dc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.868442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069120/publication.md
observed 1f1f35a606b5050411837ae0fd7ed329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.851697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069120/publication.txt
observed 46be1d13244e757b20aaf6132f6e45a9...
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.