OpenTechnical

OT-2026-000073109

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000073109) never changes.

Identity and time

Publication numberOT-2026-000073109 · never reused
Internal UUID01a0ae92-efb5-7441-a96c-5cd9658a6887 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073109
StatusPUBLIC

Content hashes

Canonical textfcb8d01b28051b43c73d9167b179a93dd35e93f3cf4c2c33e04f1790ffcdcacc
Markdown41f086b5d034ca597822d618def948a43864cc2c8a9eea970f7cc80c3b2c2bef
PDF
Publication page0f1a6c4a7c51f7f8dc752a14f413f7d7e0de13c2aad9fc79a75dff804b3d7280
Manifest05ae965286d06b860e9e2cd935e4798a424f5b0a3430386b3a298330a839c2fc

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
SignaturewSJ03OD9UgGq7VN8jeb4X0ugNB5clCU9CPCpK+FtbmkclK6y/STleUL/7kalZE0X7aRWn7j1x3Wd9uqc32AcCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T16:43:06.400541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073109
observed 0f1a6c4a7c51f7f8dc752a14f413f7d7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:43:06.219386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073109/manifest.json
observed 05ae965286d06b860e9e2cd935e4798a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:43:05.947369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073109/publication.md
observed 41f086b5d034ca597822d618def948a4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:43:05.595273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073109/publication.txt
observed fcb8d01b28051b43c73d9167b179a93d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:21:02.165103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073109
observed 0f1a6c4a7c51f7f8dc752a14f413f7d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:02.146675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073109/manifest.json
observed 05ae965286d06b860e9e2cd935e4798a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:02.127547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073109/publication.md
observed 41f086b5d034ca597822d618def948a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:02.109885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073109/publication.txt
observed fcb8d01b28051b43c73d9167b179a93d...
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.