OpenTechnical

OT-2026-000032149

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000032149) never changes.

Identity and time

Publication numberOT-2026-000032149 · never reused
Internal UUID01a0ae74-f7a5-7ef9-bfbd-566d4de5a462 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032149
StatusPUBLIC

Content hashes

Canonical text71e2152459b145cab7da10707af167d3234c81a7dd4d69a7030af4f088f36d34
Markdowndd3431bc2d02f6ec85460434288b3ba114d1949648ab1a84e2e56d6f197715ec
PDF
Publication page4f4aaba63ff5536974d8f36f0a9b645abd7aa8ce1f30682de2517e5d65a1e0dc
Manifest9b679ba1893379e6ba36b0118604a1e54614e4e3a6d8423c8db12f1e8b9698d9

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
SignaturepyLP+EunoMps4Lar2SFukweQKymQ4bLPreCN/f24V7X8BtDuKGfAt5KgOfyfG9kHh57VXtVLEDLE6Z50U6QbCg==
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

2026-09-17T11:34:28.320635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032149
observed 4f4aaba63ff5536974d8f36f0a9b645a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.304498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032149/manifest.json
observed 9b679ba1893379e6ba36b0118604a1e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.284198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032149/publication.md
observed dd3431bc2d02f6ec85460434288b3ba1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.265719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032149/publication.txt
observed 71e2152459b145cab7da10707af167d3...
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.