OpenTechnical

OT-2026-000083815

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000083815) never changes.

Identity and time

Publication numberOT-2026-000083815 · never reused
Internal UUID01a0ae98-0418-7c0e-85f9-fce562fc7011 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083815
StatusPUBLIC

Content hashes

Canonical text53989556edf7f6a621cf0136dc49c4461115da6ba4ef7130f52d8a951986b7b2
Markdownf13a6174d5a6f78cd577d7f191facbeb9a88d07f4e867a9da930ee44365ce662
PDF
Publication page1cbb9439ec180c15cc04901aeed8711d3ba47e5bf7fb81450b12004a2bab6e87
Manifestf64938ef11d85edbf56fff7e14f470348529f63ebd135c6f90b30df3b7065c34

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
SignatureB8vja6cAea2y+EP8nRk4OBtYprUGb0S2F0F1Rl+4aSMWLlwlDzxRrY/aI78Q51l7X2w73+d9XV45SPw1EJtbAQ==
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

2026-09-17T10:00:04.262875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083815
observed 1cbb9439ec180c15cc04901aeed8711d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:04.230937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083815/manifest.json
observed f64938ef11d85edbf56fff7e14f47034...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:04.183560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083815/publication.md
observed f13a6174d5a6f78cd577d7f191facbeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:04.161525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083815/publication.txt
observed 53989556edf7f6a621cf0136dc49c446...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:28.035616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083815
observed 1cbb9439ec180c15cc04901aeed8711d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:28.017486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083815/manifest.json
observed f64938ef11d85edbf56fff7e14f47034...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:27.998433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083815/publication.md
observed f13a6174d5a6f78cd577d7f191facbeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:27.981548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083815/publication.txt
observed 53989556edf7f6a621cf0136dc49c446...
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.