OpenTechnical

OT-2026-000078607

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000078607) never changes.

Identity and time

Publication numberOT-2026-000078607 · never reused
Internal UUID01a0ae95-7c2a-705d-a007-cdaf170d5ffd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078607
StatusPUBLIC

Content hashes

Canonical text01aa045cfbc6c0fc43b66b36d5beea9cde9b200ba44324a161778e18f0e01152
Markdownf8f16739aa40ba89d2b9aeb6ad5e30ada3ff01d4aabeb7d96e9bed83a8c90148
PDF
Publication page6246ef7c8a33df241f622af5eca2883d8850541789c2bdb3e9a4e82ccccb587e
Manifest5a260f06674aca6a4d15b2055efad27bdacd53b978dfca67b2cc3622be273c6d

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
Signaturekv4D48E901dgxG4fvss2bhjk9P0Mh3oFCEl5JWF3hXpSQRID4r+EYUCTz0PhuxKFT41yG4Xx2XIB9o2gczyNBQ==
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

2026-09-17T10:06:38.477118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078607
observed 6246ef7c8a33df241f622af5eca2883d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:38.456681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078607/manifest.json
observed 5a260f06674aca6a4d15b2055efad27b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:38.437808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078607/publication.md
observed f8f16739aa40ba89d2b9aeb6ad5e30ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:38.418691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078607/publication.txt
observed 01aa045cfbc6c0fc43b66b36d5beea9c...
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.