OpenTechnical

OT-2026-000066702

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000066702) never changes.

Identity and time

Publication numberOT-2026-000066702 · never reused
Internal UUID01a0ae8e-ce42-765f-bc72-a82e99541e2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066702
StatusPUBLIC

Content hashes

Canonical textcd134882ad9bd93b5f14d3aea264072c2114558b4b2325def94477f5631fb198
Markdown73f97ddb1a1ba3776549a8f077a7b2134175d7ef9592726bcd07f422b2fe0b3c
PDF
Publication page723e3a12d1438ecc5da18d6f0a3b7c5770aaddbf47248569f40f01e7f11c31c9
Manifest252693ca3ea847c2225081bb2b038cadd071b88757adb0a1c45f4065054a6dca

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
SignaturewPWkWb59ytPojZp9QumzDu4LWhdAufExWfDtlp+Tr8d2YX0VzBiSl4j5vU/JtzM3iWPzI4t+0TWj03KWrM59BA==
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

2026-09-17T10:33:06.174333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066702
observed 723e3a12d1438ecc5da18d6f0a3b7c57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:06.155999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066702/manifest.json
observed 252693ca3ea847c2225081bb2b038cad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:06.138296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066702/publication.md
observed 73f97ddb1a1ba3776549a8f077a7b213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:06.121536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066702/publication.txt
observed cd134882ad9bd93b5f14d3aea264072c...
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.