OpenTechnical

OT-2026-000026436

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000026436) never changes.

Identity and time

Publication numberOT-2026-000026436 · never reused
Internal UUID01a0ae71-f4a8-7a63-8a26-99e363af1d3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026436
StatusPUBLIC

Content hashes

Canonical text843bdf529daf12db5388b35177b86ca146a893a98e5099e88db591c180f0f8f4
Markdown75e17ca22dbd125160bdc59adb1d089a2f28076e7d2f116ae54128f784006d71
PDF
Publication pagea9426795a107f96e546963c9e503ec0b58f39db9997e01a42c8c9f940556b71a
Manifestf5ae721b29ea0ba50d1d05f2181ca4acfc83dea5a9d34aa173c23eb63b03a8b4

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
SignatureojO3EeC9o0dpeagg8Eo8eCxxVaXFpGUpmxKIVyk+v6bK04W1To1vpOoYagil1HQrLisAlYj9tWDQ1ycwEvrYBg==
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

2026-09-17T11:44:25.948217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026436
observed a9426795a107f96e546963c9e503ec0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:25.932917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026436/manifest.json
observed f5ae721b29ea0ba50d1d05f2181ca4ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:25.915846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026436/publication.md
observed 75e17ca22dbd125160bdc59adb1d089a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:25.900079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026436/publication.txt
observed 843bdf529daf12db5388b35177b86ca1...
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.