OpenTechnical

OT-2026-000074607

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two 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-2026-000074607) never changes.

Identity and time

Publication numberOT-2026-000074607 · never reused
Internal UUID01a0ae93-717b-7b92-8683-5ca9e7380060 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074607
StatusPUBLIC

Content hashes

Canonical text4be3d1bf9cf4f5886387064618cca367a80687b45e5f3b32ad0b16be77e480d5
Markdown3f43a845c5690969e61c24bd14d626fceaa23723ff2a487569bfa0d168fa40e4
PDF
Publication page05bc96eeece7a720b16dd4d843ddd2f69dd6224bd1f3b89d0118debf447b29cb
Manifeste5b8158e767fc8cc7348e87f0a8dcb90f2925913f11cc30870de0bef4002c59a

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
SignatureWIiI7BxOvbFZuZj+qMPCnXwi8V0FKF5ql61129V4ESrL1MuqKCA2MNNh0m+0SbHXY/vtj+/5JcsMfqTrMJwHAQ==
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

2026-09-17T10:19:38.099944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074607
observed 05bc96eeece7a720b16dd4d843ddd2f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:38.079442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074607/manifest.json
observed e5b8158e767fc8cc7348e87f0a8dcb90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:38.061842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074607/publication.md
observed 3f43a845c5690969e61c24bd14d626fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:38.043384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074607/publication.txt
observed 4be3d1bf9cf4f5886387064618cca367...
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.