OpenTechnical

OT-2026-000050657

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, 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-2026-000050657) never changes.

Identity and time

Publication numberOT-2026-000050657 · never reused
Internal UUID01a0ae82-c7b0-78e3-826c-0ca9fd871cba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050657
StatusPUBLIC

Content hashes

Canonical textc5eff2f31d8ceaf9b40effbc7b9b612cb421d013bd16c0f21abb720acf26e6c0
Markdownc0464a0322af04342c25eaaa0f9d16582fe7af8d71208d075a1027745d47b504
PDF
Publication page0b26dd0a1874cd9edbfd05cc0f6a95f4fdc2a87a6324c0e8702fc0cd36ee6369
Manifest142f0eb9129bcc9be75eac437a7933a63a36ea3ad0690a3d2ef6e91a4b3ab429

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
SignatureWFK0oR2ZO2q2Lr8ASXRAfkZSesQ/Fp1tpiogaGroE3D5uVTW2Bwz+h56IBG345ScyizeEmon6QRygAaVwgKWCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T10:59:21.491802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050657
observed 0b26dd0a1874cd9edbfd05cc0f6a95f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:21.464786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050657/manifest.json
observed 142f0eb9129bcc9be75eac437a7933a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:21.442262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050657/publication.md
observed c0464a0322af04342c25eaaa0f9d1658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:21.422436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050657/publication.txt
observed c5eff2f31d8ceaf9b40effbc7b9b612c...
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.