OpenTechnical

OT-2026-000057522

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented before 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-2026-000057522) never changes.

Identity and time

Publication numberOT-2026-000057522 · never reused
Internal UUID01a0ae88-2693-7ce8-a753-dcdaab1a565c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057522
StatusPUBLIC

Content hashes

Canonical text8a8e57f0f81c7e013c40a80ea8bd7f67a7c2d9c1248984c0dd8ac7cfe207c472
Markdownec46d8c5d9f3f50391dfc1e0c561a8ca9b885fb1c55b4f6f82e8d4641c3c82bc
PDF
Publication pagef4664e6ed2c63c524f93b576db3e587540d0618f1961cd0babafe91719936581
Manifest243508d803c8925ec0e9c78244dd71498562394ce4882d0cdba2576581d93715

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
Signature2rJEIBr60cbzChsmRjRa7jphXKvKCHWVEiJAwnSdPRJYl4fqm1wluyTa1yrgyrELv3Gt397t4hSrYQ+58UMvCw==
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...

Independent retrieval

2026-09-17T10:48:03.292125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057522
observed f4664e6ed2c63c524f93b576db3e5875...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:03.272820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057522/manifest.json
observed 243508d803c8925ec0e9c78244dd7149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:03.255095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057522/publication.md
observed ec46d8c5d9f3f50391dfc1e0c561a8ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:03.238068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057522/publication.txt
observed 8a8e57f0f81c7e013c40a80ea8bd7f67...
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.