OpenTechnical

OT-2026-000083080

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line 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-2026-000083080) never changes.

Identity and time

Publication numberOT-2026-000083080 · never reused
Internal UUID01a0ae97-c962-7aad-b11b-acfbc6ab1de2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083080
StatusPUBLIC

Content hashes

Canonical text1248b9437947ac1b99389d0e7b4eaa8347fdc2803a66ff9a35c44df5fdd2de85
Markdown4ddeb199030728c92f4de010d1ba0083f04fcfe938bda788d5eee612c69e556d
PDF
Publication pagebcb8c60f78007d0de74a6f06258f582860a49581d6c8705e36fe37fd3d3df66c
Manifest1a5725b5d040be218e0fd591668b9d3df2a9cc06b7eb8b3883302e6b75fc95ef

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
SignatureCoTSqqtApKJ1QIkbufhKdhfsjKr1aZaAXFaytK5oewU06SEssFt2g4pi/cpjiy6mhM26i0WdutPMao5nulotBg==
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

2026-09-17T09:00:34.100473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083080
observed bcb8c60f78007d0de74a6f06258f5828...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:34.082161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083080/manifest.json
observed 1a5725b5d040be218e0fd591668b9d3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:34.062685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083080/publication.md
observed 4ddeb199030728c92f4de010d1ba0083...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:33.663978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083080/publication.txt
observed 1248b9437947ac1b99389d0e7b4eaa83...
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.