OpenTechnical

OT-2026-000053697

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line 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-2026-000053697) never changes.

Identity and time

Publication numberOT-2026-000053697 · never reused
Internal UUID01a0ae85-735c-7cf9-a962-f25e78030bf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053697
StatusPUBLIC

Content hashes

Canonical text23c3af3dd4b32f53f9bbb9bf7d0b8094551121c0d4d21f27488cb826244f63f5
Markdownc3dc0960cd60f8733ee24a6935814d4212748be8d534c450a80639a76f0ea3f3
PDF
Publication page3cb6cfd76058c8ab31056c184147fcb3d299b622f97c031a5259116d47fa904f
Manifest55cacc05c81e65e36e334321936bda8106f8769e4153bc40209a46177527b395

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
SignatureHWvZmraHqsGl+vaKZJEN/UWgfBvgg4E2LSQzN39AGtMFG+7maM2Hl8MjwHP+GMozroyX5qMc0Wml/w/LcWVbDQ==
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

2026-09-17T08:40:03.992154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053697
observed 3cb6cfd76058c8ab31056c184147fcb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:03.972335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053697/manifest.json
observed 55cacc05c81e65e36e334321936bda81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:03.825198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053697/publication.md
observed c3dc0960cd60f8733ee24a6935814d42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:03.805571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053697/publication.txt
observed 23c3af3dd4b32f53f9bbb9bf7d0b8094...
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.