OpenTechnical

OT-2026-000013178

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000013178) never changes.

Identity and time

Publication numberOT-2026-000013178 · never reused
Internal UUID01a0ae6d-6fc8-73a4-863f-521357ece2e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013178
StatusPUBLIC

Content hashes

Canonical texte3391a37c2d4110f98926d6b7dcb413f63c9efd0280738daf2b4bab73265497b
Markdown73670cb876fa3de58adda3ff08e82d3a70fe142ada515159dd02b38a28aa696a
PDF
Publication page33faf6dfa2d31a110da9a718cbb2df8dfe767212100c6e215ad22493efa77e87
Manifest68fce03bbd4467582e5998596abd1a394e843b8dd82f8e10bde3b3787070af25

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
Signature4enybNeib+FeaDBGs7PqBwqC4cUn/XUKAx45ipiIg417fi2X4oM4UEfrE/0KClRkgGXpzQigAme0w6mSdBibDw==
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

2026-09-17T12:09:33.383878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013178
observed 33faf6dfa2d31a110da9a718cbb2df8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:33.364228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013178/manifest.json
observed 68fce03bbd4467582e5998596abd1a39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:33.349732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013178/publication.md
observed 73670cb876fa3de58adda3ff08e82d3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:33.330925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013178/publication.txt
observed e3391a37c2d4110f98926d6b7dcb413f...
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.