OpenTechnical

OT-2026-000075077

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, manifold 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-2026-000075077) never changes.

Identity and time

Publication numberOT-2026-000075077 · never reused
Internal UUID01a0ae93-ac2e-72eb-a7a3-88b76e5e37b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075077
StatusPUBLIC

Content hashes

Canonical text1486e745b12117722295cec20f0288d6af2da91b793087d75432f040d9e37c3d
Markdownf932519f78fa07b0f2943926e070b6cd3fc9ee34d2f09f15dbcb59114e73f349
PDF
Publication page6f7e7abfea3c31042641f2bbe5f92dc62645be38f741566256b29dc428c469b9
Manifest2ca151678564ebd0085eccf6dd3c78728b219f7c7a8050ceada9f4df2d3e9ff3

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
SignaturePoLp0x7IcOMizrrc5jLqhwgFaVS8ba18Lk7ZCzcGVo4kIAVDTPt4hfGJj4Yd7vMo1pvd7B6n6Jtmr7mSGN4CBA==
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

2026-09-17T20:44:05.123626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075077
observed 6f7e7abfea3c31042641f2bbe5f92dc6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:44:04.958211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075077/manifest.json
observed 2ca151678564ebd0085eccf6dd3c7872...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:44:04.758028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075077/publication.md
observed f932519f78fa07b0f2943926e070b6cd...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:44:04.405653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075077/publication.txt
observed 1486e745b12117722295cec20f0288d6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:18:53.876020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075077
observed 6f7e7abfea3c31042641f2bbe5f92dc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:53.859191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075077/manifest.json
observed 2ca151678564ebd0085eccf6dd3c7872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:53.839410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075077/publication.md
observed f932519f78fa07b0f2943926e070b6cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:53.821219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075077/publication.txt
observed 1486e745b12117722295cec20f0288d6...
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.