OpenTechnical

OT-2026-000089289

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000089289) never changes.

Identity and time

Publication numberOT-2026-000089289 · never reused
Internal UUID01a0ae9b-db01-7965-af0f-25c8a82e0215 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089289
StatusPUBLIC

Content hashes

Canonical text0ec9904e877be9af2a22d0c5039a802c4c5ae45297577992c6aaf2cdd156052f
Markdown307edeb8b84f752f27dfea740820e93ac06eaa362e41a54073ac49c2b7315b5e
PDF
Publication page4f6e2080f3887aad27f6eaccdcaf660477e66f6dba9962b8f161413af4ecf764
Manifest7b16112bc440e71ba4eb41a6c3198ba2bf77b005eeaa660fcd55882f4716d23d

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
Signature+ViL41jkYwobiekCuBIHtyMj2KZiOxQu8RBKVatnynReI30bRsLIutt9tbvAXdYBlzXY24bRZ3UiIa4VuJxXCQ==
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

2026-09-17T09:47:20.130640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089289
observed 4f6e2080f3887aad27f6eaccdcaf6604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:20.112042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089289/manifest.json
observed 7b16112bc440e71ba4eb41a6c3198ba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:20.093900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089289/publication.md
observed 307edeb8b84f752f27dfea740820e93a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:20.076475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089289/publication.txt
observed 0ec9904e877be9af2a22d0c5039a802c...
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.