OpenTechnical

OT-2026-000018922

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, 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-2026-000018922) never changes.

Identity and time

Publication numberOT-2026-000018922 · never reused
Internal UUID01a0ae6e-d522-7dd4-8fce-d61603bdff4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018922
StatusPUBLIC

Content hashes

Canonical text99e806a8c644b04294bf516b711d5cee3165f5c1c97ffb4526a0ffd3213c3a1a
Markdownc06965e1dc0620f5c159232a953430994c1ee17b297594ad1f5c07adce4f014c
PDF
Publication pageb828b1f9458ac1f0d03c7a184f14edd72c7fc29093033b798d29a023e265c802
Manifest62c911095caa7c06ba4a8eba08c2ed221ad694eb843350739729de94b5b59245

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
SignatureFIaAHCbFR5jOooyGlNtR15cSWPRkElXLeUS/VsUa4c38KJX0uejX3v6bVwsXE+P7C1o5Ht4305czFhJhb6DaBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:59:34.987049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018922
observed b828b1f9458ac1f0d03c7a184f14edd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:34.970516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018922/manifest.json
observed 62c911095caa7c06ba4a8eba08c2ed22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:34.953399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018922/publication.md
observed c06965e1dc0620f5c159232a95343099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:34.936318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018922/publication.txt
observed 99e806a8c644b04294bf516b711d5cee...
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.