OpenTechnical

OT-2026-000005867

Publication integrity record

Porous face vacuum gripper, six outlet manifold, pump fed, pressure verified, contact triggered

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-2026-000005867) never changes.

Identity and time

Publication numberOT-2026-000005867 · never reused
Internal UUID01a0a947-85d8-79c3-b048-a20ad84b148e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:13:51.963175Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005867
StatusPUBLIC

Content hashes

Canonical text55e1c6a42a80c419a849b933562aa9fb846562fa94876cc36779a4cbe05cd525
Markdown6b0babf5a06e1ca3e140cbda6ebc3133bd44a6b392685a8f23a4d04b6ade6232
PDF
Publication pagea810e9b39f629ca027b751b24f56ebfce1cbcac34e4b361f5f84e43e39626488
Manifestda564f944bf86942e54a5ed5027edc01095e34c23310f3c0e24c040d8cf46f5e

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
SignatureDSGOWGtPjgRdpUvhKYk5VcW2Plx8vWw9VeyhpYgI2eYlD41cXDnl+4XUci3l76UhxODHpVNvGHxmQ8ByCyMrCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:23.692529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005867
observed a810e9b39f629ca027b751b24f56ebfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:23.678409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005867/manifest.json
observed da564f944bf86942e54a5ed5027edc01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:23.664556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005867/publication.md
observed 6b0babf5a06e1ca3e140cbda6ebc3133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:23.649284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005867/publication.txt
observed 55e1c6a42a80c419a849b933562aa9fb...
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.