OpenTechnical

OT-2026-000073893

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000073893) never changes.

Identity and time

Publication numberOT-2026-000073893 · never reused
Internal UUID01a0ae93-2b8e-7b16-b7cf-f56483e5b1ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073893
StatusPUBLIC

Content hashes

Canonical text8301fec9ea00c1ea416c4c86b284fbb28f208d096bd4c273f4c7f187c74545b7
Markdownd6b731fb1cda2ae240bf81322c06cef7a2b6a96b36c19ec7f5aff68c76d86535
PDF
Publication pagef7c6f96298f84402dcea7ff94aa41f94788fa387aeb80f5399e2bd0c823d0a5f
Manifest979d05d07b565217dbd673eacd83f504e550743e9e5d4bb9ec5de509e9e52af3

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
SignatureBK7BMj+yLrAG+Y1pB5CWeQO0gEkOsdB/+8EUaPEG6cSDYwIZDdpEmzFq8vuWNY5oMU7ZeXOBQ/GFc6W/16SiDQ==
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

2026-09-17T10:20:02.822369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073893
observed f7c6f96298f84402dcea7ff94aa41f94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:02.801425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073893/manifest.json
observed 979d05d07b565217dbd673eacd83f504...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:02.784303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073893/publication.md
observed d6b731fb1cda2ae240bf81322c06cef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:02.764701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073893/publication.txt
observed 8301fec9ea00c1ea416c4c86b284fbb2...
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.