OpenTechnical

OT-2026-000052442

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000052442) never changes.

Identity and time

Publication numberOT-2026-000052442 · never reused
Internal UUID01a0ae84-5739-7a17-816f-7f95285a2ec4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052442
StatusPUBLIC

Content hashes

Canonical text12c361119e8e07d63c40392c42e0f25785dd127c86733f2a5e12a26d8e651190
Markdown71885dbde3cb52ccdc7951050327a48ff4575d99cf8dac84c5dfa62a270304ff
PDF
Publication page3d7d7c497ebb6c2966ebd3ab2ab3e0b3c0229dd3558bc6fbe202bb7b1d1bbdb3
Manifest3e66d11e703a8920e88d6e3ee02ac7702de054df9581b80dab7cedfdde8dc90e

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
SignatureY0ZtH69wQGdWZ+mSABPzKTBN8ZWXimlhhFbGo5Jh+BleEKe+r0eby8yLK+OvY0DuEKgQ2skelJvT44IMghPfCQ==
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

2026-09-17T10:57:03.821638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052442
observed 3d7d7c497ebb6c2966ebd3ab2ab3e0b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:03.803975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052442/manifest.json
observed 3e66d11e703a8920e88d6e3ee02ac770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:03.786859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052442/publication.md
observed 71885dbde3cb52ccdc7951050327a48f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:03.770717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052442/publication.txt
observed 12c361119e8e07d63c40392c42e0f257...
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.