OpenTechnical

OT-2026-000009770

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, vented after set-down

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-2026-000009770) never changes.

Identity and time

Publication numberOT-2026-000009770 · never reused
Internal UUID01a0ae6b-7565-72f8-b3fc-c70cc2684ba8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009770
StatusPUBLIC

Content hashes

Canonical text921bfa0e2b19577649017c4e0efb70e9f71639ec51ad3296342b8d22fd19dee9
Markdownd320a4f124b59e8bf664a5a248c73a6888abf6a194b87b162ce00521c7749473
PDF
Publication page86c4a859d6eda7110e235e8eae7b58599cb87295311e110471aefde7d97a1b94
Manifest4277f5ea61ce442386b2a05e7392b85b6343c0ff837c80da269df746fc02f364

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
SignatureuBshW87T2wTNWsmtJgbVgZWsveigbFjeBtrRNDqWqB1KIxc7URtnlUmEmbdDrdWXuBAnLesHCL78FpEGTFuXDg==
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

2026-09-17T12:17:16.917173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009770
observed 86c4a859d6eda7110e235e8eae7b5859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:16.898270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009770/manifest.json
observed 4277f5ea61ce442386b2a05e7392b85b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:16.873666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009770/publication.md
observed d320a4f124b59e8bf664a5a248c73a68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:16.849288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009770/publication.txt
observed 921bfa0e2b19577649017c4e0efb70e9...
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.