OpenTechnical

OT-2026-000016931

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four 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-2026-000016931) never changes.

Identity and time

Publication numberOT-2026-000016931 · never reused
Internal UUID01a0ae6e-591a-7389-b830-f4c3d1625fbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016931
StatusPUBLIC

Content hashes

Canonical text649a80288784da036a88141e301d1504bda3055dabaa16febb9b8aa2c50a88d9
Markdown535f3efdda6fcbed592e74c8f58b707f655f18ac9570a901db90f64d30ea46c2
PDF
Publication page401311bbab5c9bc628b96fabe456c15b3426756e35a7f8f59a33c03847ddaad3
Manifest109dd88a4f8696b40b830826bcbeb6cf1024b860da139939d413c6c3f79b6636

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
SignaturemWKsdR2oqzk42JKiqIn/OZq2x450Tt3WiJne0xgCdHMCOUcsLHXpioBLvHB6i43kdAKK8OxCAKR9GtfEy+GsAw==
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

2026-09-17T12:03:12.820884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016931
observed 401311bbab5c9bc628b96fabe456c15b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:12.804822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016931/manifest.json
observed 109dd88a4f8696b40b830826bcbeb6cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:12.786492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016931/publication.md
observed 535f3efdda6fcbed592e74c8f58b707f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:12.769903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016931/publication.txt
observed 649a80288784da036a88141e301d1504...
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.