OpenTechnical

OT-2026-000009884

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, manifold 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-2026-000009884) never changes.

Identity and time

Publication numberOT-2026-000009884 · never reused
Internal UUID01a0ae6b-cb78-7981-ba98-377060ca2706 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009884
StatusPUBLIC

Content hashes

Canonical textebc74f78f31c64cb57edbce5d7b5650d657fffab3631b5a58a7b2d9fb15c8ed9
Markdown08a375ba8dd2d7ba4f165744a29d5a61e9dc9dc03c0ce435827d090a9910c1fc
PDF
Publication pagec31569b235a02699f396aca2d63ca9bc90ebc9cf85a5b3cee8a7fe85963147f2
Manifest1c35d48c5b2dd1b6fb3cdf1bad33a5f9308bc9bd26e6af1c11385fe4f3625315

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
SignaturefT1yd63jsNAX/wPmMcotmBIXBoa0jyrcqNW94bjc/YjjOIcy7na5vbOC6xYddSJpCH873xnkvJaHb6rx+isuAg==
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

2026-09-17T12:15:53.593914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009884
observed c31569b235a02699f396aca2d63ca9bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:53.573201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009884/manifest.json
observed 1c35d48c5b2dd1b6fb3cdf1bad33a5f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:53.553400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009884/publication.md
observed 08a375ba8dd2d7ba4f165744a29d5a61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:53.533853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009884/publication.txt
observed ebc74f78f31c64cb57edbce5d7b5650d...
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.