OpenTechnical

OT-2026-000068642

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000068642) never changes.

Identity and time

Publication numberOT-2026-000068642 · never reused
Internal UUID01a0ae90-2483-74e4-8599-91bfebaa57e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068642
StatusPUBLIC

Content hashes

Canonical texte5f2d353243f9a9a882541cfaf8dc391aab9f98bbe2c994c3e613da67c9d8b03
Markdownf0073ddbe3580024990937416bc363c16d18353b154c229e7ecd27ad8f4264df
PDF
Publication page2e9b37847f3295be49c89332e3152224c0f3444a578d6128b0b0089c90380fa1
Manifest668a07c55e4da17bd2160b7a4ab727b800feaca168181528be2e804b0f4bb24b

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
SignatureBdvoGPdQDKbycEalhryywB2I+nPv4GQ1v1aFhXZWIMIH2sJgClFxpeysBai9PYneXrtJd1ZSx2N3ZNCqZzedCA==
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

2026-09-17T10:29:50.076445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068642
observed 2e9b37847f3295be49c89332e3152224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:50.059117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068642/manifest.json
observed 668a07c55e4da17bd2160b7a4ab727b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:50.040647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068642/publication.md
observed f0073ddbe3580024990937416bc363c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:50.015802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068642/publication.txt
observed e5f2d353243f9a9a882541cfaf8dc391...
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.