OpenTechnical

OT-2026-000008629

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, vented 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-2026-000008629) never changes.

Identity and time

Publication numberOT-2026-000008629 · never reused
Internal UUID01a0ae6a-e46b-710f-b602-13ddb87c4e2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008629
StatusPUBLIC

Content hashes

Canonical text5d43170bbb052f0ae7334127a64a2a0ab71186279397d6e6382bef4064b2a3fc
Markdown2b6c7bebb9bcaa301b0cddb5186f81f7c6c39b0a19d2e575877f8141341aa724
PDF
Publication page6b3cf23e205f98d70703869b06da6f3fe1c2d0f47908ed58da2e8132dae77147
Manifest4e857a9df2a02fcf384204614db58c7de4ae82a037e7062eb3e32d358bdb91ec

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
SignatureFzPD3mkW6ux/0pscL+Y0C839m1vRYNwbXhn0+jfo23rBQlVIh4ugg5dT574BsBbLHwD5fziYCgH/pkcBfIikBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:35.622190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008629
observed 6b3cf23e205f98d70703869b06da6f3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:35.602520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008629/manifest.json
observed 4e857a9df2a02fcf384204614db58c7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:35.582616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008629/publication.md
observed 2b6c7bebb9bcaa301b0cddb5186f81f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:35.562340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008629/publication.txt
observed 5d43170bbb052f0ae7334127a64a2a0a...
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.