OpenTechnical

OT-2026-000027914

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000027914) never changes.

Identity and time

Publication numberOT-2026-000027914 · never reused
Internal UUID01a0ae72-a4a5-7f77-b43d-e2f7cad5b556 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027914
StatusPUBLIC

Content hashes

Canonical textfce2d07ad6da0d6a815048b09c830d5da15abcaeddb57a65a6a4854d96aae417
Markdown5feb16968897ab19c872989be5ccdaec362bbf4b0741360468a6dea0bf912af7
PDF
Publication pagef3500f971d5b2c08300e354411388a61013793c7475d0f415aefe2166728b82f
Manifest76c9044173d911bf8ab2851c79a16c40d891838bcb7f764a7c5beda9df6394bb

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
Signatureasw/GlDPzggxqiH9KfNF4CwtB9dPxiyYPnjL6QzASy7WYnHmaplutje+LMmeVQ4yzBjalGt2q0E+FO/7lB1sBw==
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

2026-09-17T11:42:05.221009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027914
observed f3500f971d5b2c08300e354411388a61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:05.201532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027914/manifest.json
observed 76c9044173d911bf8ab2851c79a16c40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:05.183882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027914/publication.md
observed 5feb16968897ab19c872989be5ccdaec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:05.166478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027914/publication.txt
observed fce2d07ad6da0d6a815048b09c830d5d...
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.