OpenTechnical

OT-2026-000078707

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000078707) never changes.

Identity and time

Publication numberOT-2026-000078707 · never reused
Internal UUID01a0ae95-ccbc-7cc7-88aa-2ff22ac46004 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078707
StatusPUBLIC

Content hashes

Canonical text7b2e39f0383a075a66514a136a1d065b822af350062617d9ee6feebb97aef70f
Markdownf79ed7b79b445009f0f19281d1f3d6593e9645762957ba213145ca0f35c6055d
PDF
Publication page031ad9f8f2a22b6e081a21ec88dabc2d5342318a6c85a4bb431eaf8baf6b2eb2
Manifest29a3a29c455ad448f578a16697187b1543e722935940d31b9bbf1a87f78207ed

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
SignaturenTvuvGj0+I1mwkrP3OGaHGHg0eNAUt8zWGBij5xH7+0TCg7aGJXier4m9EbLA0d4e/kTX+eZYB77RzG0uXGWBQ==
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

2026-09-17T10:05:29.298278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078707
observed 031ad9f8f2a22b6e081a21ec88dabc2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:29.282840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078707/manifest.json
observed 29a3a29c455ad448f578a16697187b15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:29.267715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078707/publication.md
observed f79ed7b79b445009f0f19281d1f3d659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:29.252023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078707/publication.txt
observed 7b2e39f0383a075a66514a136a1d065b...
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.