OpenTechnical

OT-2026-000053273

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000053273) never changes.

Identity and time

Publication numberOT-2026-000053273 · never reused
Internal UUID01a0ae85-0a15-70f6-9c26-559481b4f5aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053273
StatusPUBLIC

Content hashes

Canonical text2325bf6042f3e61a7160ea3f5a8e9a60d4983d5c811b9dad2fb8779c675f8b76
Markdown780bc4ce3043de5eb70f2df872b64f7e469fd1be710b2a466223e3d734db1058
PDF
Publication page1cc0bf6cf6b8ff5277252d1c3d85938105eb68cbcff07aef35f48f397bb4117a
Manifest4e57ff0cfdade4798486b7633d311ffd3810dd5d077c38990e88804696e96cac

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
Signature+hPo0ari4MG4D09QKTJz0+P/hwmIw0GGQnoPkNLyAYZbOVkZXjKFW5hT5H7UKCMi4eGlXsjdsWms+xlaKRxEBw==
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

2026-09-17T08:41:01.005969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053273
observed 1cc0bf6cf6b8ff5277252d1c3d859381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:41:00.988396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053273/manifest.json
observed 4e57ff0cfdade4798486b7633d311ffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:41:00.968071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053273/publication.md
observed 780bc4ce3043de5eb70f2df872b64f7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:41:00.821960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053273/publication.txt
observed 2325bf6042f3e61a7160ea3f5a8e9a60...
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.