OpenTechnical

OT-2026-000026254

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000026254) never changes.

Identity and time

Publication numberOT-2026-000026254 · never reused
Internal UUID01a0ae71-f4a5-7ce9-bb0e-f66221a06653 · 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-2026-000026254
StatusPUBLIC

Content hashes

Canonical text276dd973e099304a1ed29ba80342afaeaa52e49bc713a9bd76016d9afdf61a6d
Markdownabe1de41858374b19a0cc8f21544f4fcefd8b261962246716cb620c248187eea
PDF
Publication page592019fdd1416340e039a796d85d0dd20850ed213ce0dc349c261ef014d6cfdd
Manifest3d2a1f95673751c56c677fd5f10b4c485861983079df64c034c03ba575c03909

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
SignatureU751Ok9CJwJvgzfURNwBLok10tKLUWwWBYal7ERPwfRI/WOi01UtK1ybFPRkno0ywQiw25TKj0rMzNP1qVNlBg==
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

2026-09-17T11:44:11.884464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026254
observed 592019fdd1416340e039a796d85d0dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:11.868074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026254/manifest.json
observed 3d2a1f95673751c56c677fd5f10b4c48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:11.850548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026254/publication.md
observed abe1de41858374b19a0cc8f21544f4fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:11.834011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026254/publication.txt
observed 276dd973e099304a1ed29ba80342afae...
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.