OpenTechnical

OT-2026-000012095

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, pulsed 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-2026-000012095) never changes.

Identity and time

Publication numberOT-2026-000012095 · never reused
Internal UUID01a0ae6d-1943-775c-bdd3-c8a4f1c3c8c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012095
StatusPUBLIC

Content hashes

Canonical textde54f8b93e7ef62c01246f49b59138e794e5fabbf6b6c81b1bc66a0d887e9442
Markdownda4c5a76d29ba6f29815ed6c991470ad2dc12d9e3fdc9d5b1d70356a3964e57e
PDF
Publication page8a27f74a79d141ee4e5ccc2da1eaea8b6d7d885335130cd70b9e17b8bf033e89
Manifestb59b389c86e6f529112dbaf7b801b5e8799be917495f116c73d2daae664be372

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
Signature8UaaiQ1sJfY3n8sogxJk0MT0AzuQOT1IZaqcEEeq3JjotQroqjVRo2ntNfsfqYaGu7ZIeuIttrIbFPtqU3h6Cg==
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

2026-09-17T12:12:59.316119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012095
observed 8a27f74a79d141ee4e5ccc2da1eaea8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:59.294246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012095/manifest.json
observed b59b389c86e6f529112dbaf7b801b5e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:59.275836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012095/publication.md
observed da4c5a76d29ba6f29815ed6c991470ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:59.258103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012095/publication.txt
observed de54f8b93e7ef62c01246f49b59138e7...
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.