OpenTechnical

OT-2026-000055928

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed 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-2026-000055928) never changes.

Identity and time

Publication numberOT-2026-000055928 · never reused
Internal UUID01a0ae87-0a4a-71a7-aea8-337fdf201a72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055928
StatusPUBLIC

Content hashes

Canonical text089818a2511481034135389b3d1dde6ed5df8802a64ee7c253178b9318ac05d4
Markdown4bebb15453ccfeb5329542501ae9d77b291c8581834ef3d115451091a3ce795c
PDF
Publication page076526c803fe5627cfbd8d638cce6e8060d84ea8bf580d2723093760d65a6af1
Manifest487e15a5806cc53da30096e863455bb5995f12e29c21954a89335cc72ad91069

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
Signature+lm4smzk3rO6gjxEnMGghEv9+FG1NiCimaep2Oz4WqwEY71fd8FO78s9HHAvO7Ro0Ya0xqnoG1qaobK6jSp4Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:26.460106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055928
observed 076526c803fe5627cfbd8d638cce6e80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:26.443986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055928/manifest.json
observed 487e15a5806cc53da30096e863455bb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:26.426429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055928/publication.md
observed 4bebb15453ccfeb5329542501ae9d77b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:26.407419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055928/publication.txt
observed 089818a2511481034135389b3d1dde6e...
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.