OpenTechnical

OT-2026-000048996

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000048996) never changes.

Identity and time

Publication numberOT-2026-000048996 · never reused
Internal UUID01a0ae81-134c-7b96-838a-3dd4778e8bf2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048996
StatusPUBLIC

Content hashes

Canonical text1a86c131f3d05ea4c3b59c1b0e6e97434bc05987088578f9d953127298c699c7
Markdown74ad089ec7046af38d4c049aed59da1478c8c97df0fa3f98aec3004aefb66ffe
PDF
Publication pageb78d37b6d6d13e40818a3b829470c913b87374afb1fbc6cb54b553c63a277486
Manifest9a8274a47bbdf59dbf1a4a9e9e694a3034bc82c571b9b3b61482febdc894d49e

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
SignatureoKu6AHMWQCy8uEVA8x9GnagiFUnzINa9O7w3g4lJY1bjblK9UE8hcYFV+m9iY/qt1rxFskBp6VL/l7+I4s56CA==
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

2026-09-17T11:03:12.324671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048996
observed b78d37b6d6d13e40818a3b829470c913...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:12.296704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048996/manifest.json
observed 9a8274a47bbdf59dbf1a4a9e9e694a30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:12.268456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048996/publication.md
observed 74ad089ec7046af38d4c049aed59da14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:12.237422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048996/publication.txt
observed 1a86c131f3d05ea4c3b59c1b0e6e9743...
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.