OpenTechnical

OT-2026-000057053

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000057053) never changes.

Identity and time

Publication numberOT-2026-000057053 · never reused
Internal UUID01a0ae87-d5b7-7322-9719-52ebfac2b614 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057053
StatusPUBLIC

Content hashes

Canonical text6029db11b750dfc3b0f973227a89c2d3b6be4604b4747c48893b6027e33d9a7e
Markdown9a7ca8ee1562c311a168323e85d19b2d440a69649ad5695d7876cc37f5ccbd1c
PDF
Publication page04199d6712331a248ca5b6f2ee56ae7425961f1f5deaee820c2d13fc45214668
Manifestfeb4d46ca4cffa4d2e3367ea37d1b9945d9739a53bd76c7fa9893324729ca8d1

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
SignaturenUdG6fEGaAAjXSYPGns3/lTJLmkd6oCQ4CYOUvQOedw0TgphxkT+J8dC+UemHmUGHE/LTql8YHoD/2iesVmzDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:48:32.394701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057053
observed 04199d6712331a248ca5b6f2ee56ae74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:32.377129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057053/manifest.json
observed feb4d46ca4cffa4d2e3367ea37d1b994...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:32.360087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057053/publication.md
observed 9a7ca8ee1562c311a168323e85d19b2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:32.342887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057053/publication.txt
observed 6029db11b750dfc3b0f973227a89c2d3...
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.