OpenTechnical

OT-2026-000063019

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000063019) never changes.

Identity and time

Publication numberOT-2026-000063019 · never reused
Internal UUID01a0ae8c-94a9-7980-8117-fb10f4280633 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063019
StatusPUBLIC

Content hashes

Canonical textc3aa9a629eb50fc9decd77cb8c72123cd04ebc501d5ef1de29c503972574fc05
Markdown853e87177c1e1b4771d643b9adfde4f5f0bd057a9fea210095d83de89a2c21f8
PDF
Publication page471f442372b8ad703d78e2eca40136e6c0a6aaaefc9c018905a3c426473b0c99
Manifestd01ceb66676db1818581034489d600369437f0314ba69418a36d426894cfb729

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
SignatureTzT7IJcynIXS6vihJXiMoC0ApmOo3sUS7G43R+1wREHce0gcRxg/TbtLs+zI0/LvrvOlbpfI0EwKKV9qbPO3DA==
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

2026-09-17T10:40:34.077339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063019
observed 471f442372b8ad703d78e2eca40136e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.056801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063019/manifest.json
observed d01ceb66676db1818581034489d60036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.034291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063019/publication.md
observed 853e87177c1e1b4771d643b9adfde4f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.015067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063019/publication.txt
observed c3aa9a629eb50fc9decd77cb8c72123c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:46.026296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063019
observed 471f442372b8ad703d78e2eca40136e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:46.009032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063019/manifest.json
observed d01ceb66676db1818581034489d60036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:45.989439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063019/publication.md
observed 853e87177c1e1b4771d643b9adfde4f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:45.972503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063019/publication.txt
observed c3aa9a629eb50fc9decd77cb8c72123c...
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.