OpenTechnical

OT-2026-000043064

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000043064) never changes.

Identity and time

Publication numberOT-2026-000043064 · never reused
Internal UUID01a0ae7b-3278-7375-a00b-11d6e6e8e498 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043064
StatusPUBLIC

Content hashes

Canonical text8389e3c562288682e1ab9397a5af396523f9524b81b318a355f68863c83e1f2a
Markdownc10e0d398a2744885bc6e16a2a7ebc0a7d02bebfbc0b025a165e65ba95e6692e
PDF
Publication pagebb0b1a7edb68d5dfd04d198cf0a6df0aadcbf6304d19915d2930d066351df61f
Manifestb1152417404634eb91659e7cc4a4bb6af285e08c6a8a8aaea701be2529bc7beb

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
SignatureED7H9I4R9pavptFJJfX/CobG247QsqDYI+In7TObnvnnoMheXl+VA2WkKgHyvIO8blwrqgWrUqNngcsX1F2/DQ==
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

2026-09-17T11:13:28.496058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043064
observed bb0b1a7edb68d5dfd04d198cf0a6df0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:28.476871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043064/manifest.json
observed b1152417404634eb91659e7cc4a4bb6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:28.456412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043064/publication.md
observed c10e0d398a2744885bc6e16a2a7ebc0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:28.437397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043064/publication.txt
observed 8389e3c562288682e1ab9397a5af3965...
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.