OpenTechnical

OT-2026-000085444

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, sustained blow-off before set-down

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-2026-000085444) never changes.

Identity and time

Publication numberOT-2026-000085444 · never reused
Internal UUID01a0ae99-aaab-79d7-93ff-bc16dc0b2861 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085444
StatusPUBLIC

Content hashes

Canonical text358b7caa6de243fd389469c64433fd2b753b2e303424713953f5c8e2c4f8f53a
Markdown230832cde69b3801501651a52f862e45f82c124be2af4d562d42adf0bd3a5d58
PDF
Publication pagecfc2dbe12ee7bf767861b28393705f9bcca17c369ad96d71fe4fadf7cd261f50
Manifest4c04d1e44accf507a8d71f8d8901229e016cb37cdd165a9ecadfb26b4edc2c01

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
SignatureZSumeevdHEiixrow3BYZjzvZTYTf8s0KyvyySHmA7/9I/rraJvggl5XHFow/xhjlAN2ZUtQUBZwoUq+mnDfdDA==
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

2026-09-17T09:54:13.841032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085444
observed cfc2dbe12ee7bf767861b28393705f9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:13.823992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085444/manifest.json
observed 4c04d1e44accf507a8d71f8d8901229e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:13.807188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085444/publication.md
observed 230832cde69b3801501651a52f862e45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:13.787671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085444/publication.txt
observed 358b7caa6de243fd389469c64433fd2b...
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.