OpenTechnical

OT-2026-000044442

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000044442) never changes.

Identity and time

Publication numberOT-2026-000044442 · never reused
Internal UUID01a0ae7c-39d7-741b-b9b9-0de5a2bb4ce7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044442
StatusPUBLIC

Content hashes

Canonical text328d0c6716ff2e592c316c99fe178cfb0cded5612172a594373f6cc545385037
Markdown2e06dd7516d7529cc7112199ac270a525b53d887febac059682f0ab20e61bf1c
PDF
Publication pagec7d6f873123ec66598fbc4b2bd25c040194ab690744dbf48854cdda0ceb63f0e
Manifestfab0dbe941e42fd50b0fd5bab8f6fb3de514cd0b949b7b5c3d65c04aba5db98e

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
Signature5YOEv6Acluucta2D8jgzlozDAE/CFR9Ud+GgaCSkU3bfzrg+PwZpabVsKzIMWplaW3OhqsB0k+YLZy1G2ZhoCw==
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

2026-09-17T08:30:47.018732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044442
observed c7d6f873123ec66598fbc4b2bd25c040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:47.001936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044442/manifest.json
observed fab0dbe941e42fd50b0fd5bab8f6fb3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:46.985076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044442/publication.md
observed 2e06dd7516d7529cc7112199ac270a52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:46.968644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044442/publication.txt
observed 328d0c6716ff2e592c316c99fe178cfb...
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.