OpenTechnical

OT-2026-000053580

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000053580) never changes.

Identity and time

Publication numberOT-2026-000053580 · never reused
Internal UUID01a0ae85-0a93-793b-a3f3-f63eae2335fa · 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-2026-000053580
StatusPUBLIC

Content hashes

Canonical text45d2b66e43e0637e084e97170e11c6c17dc553a53075d6e801f7ba6ac718f023
Markdown6566bfec9c7e1ec1658e45d7b3ac97434d0a8bcabb1aae26f1cb8ed818b00b07
PDF
Publication pageff90bbbf4ee787fec472bc07e9e1a5af718eb06b7956102fefdfc4cba461f0f0
Manifest92676dbb3fea2134903094ab180c08e2a4a99c115a5d6216dad84f8752fbc5d5

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
SignatureLB8ftgj3YxtaCleuYsZUHLG+T/7SjgI3LkqhA1rrvAjCWp7af+IwCZlrMfl3PhkGJ3YVIgTqzje1cY8wvpubAA==
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

2026-09-17T10:55:26.784481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053580
observed ff90bbbf4ee787fec472bc07e9e1a5af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:26.766132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053580/manifest.json
observed 92676dbb3fea2134903094ab180c08e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:26.746067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053580/publication.md
observed 6566bfec9c7e1ec1658e45d7b3ac9743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:26.725456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053580/publication.txt
observed 45d2b66e43e0637e084e97170e11c6c1...
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.