OpenTechnical

OT-2026-000072211

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line 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-2026-000072211) never changes.

Identity and time

Publication numberOT-2026-000072211 · never reused
Internal UUID01a0ae92-47c2-77af-9c89-878e52f3ab05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072211
StatusPUBLIC

Content hashes

Canonical text49df601eae46875074637f0549f9a34bad62cb5e226c476c1f02cf6178ef6bbc
Markdown37afcd3bf7e4f1173eb5ca92dabfdfd33980192f9535804eb77a288938b22123
PDF
Publication page6b11de5e43c18ce4f185ceda5c9009a1b9cf2d3c56f3ec451e9c5f253190817f
Manifest28d29045880fb38bdeeabb603980fe0e549a077652bfb0d4b7d97d73dd33c2d1

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
Signature8fTdcGBchtFclWfLa7t2DMEBCBAJxaa7sjOzakgoFsvjkszUx4LvIHm6YxqrWGHZ9mGMvY0ifJ0b4XnY/P1pBg==
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

2026-09-17T10:23:18.783594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072211
observed 6b11de5e43c18ce4f185ceda5c9009a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:18.767424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072211/manifest.json
observed 28d29045880fb38bdeeabb603980fe0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:18.751718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072211/publication.md
observed 37afcd3bf7e4f1173eb5ca92dabfdfd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:18.736084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072211/publication.txt
observed 49df601eae46875074637f0549f9a34b...
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.