OpenTechnical

OT-2026-000075667

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000075667) never changes.

Identity and time

Publication numberOT-2026-000075667 · never reused
Internal UUID01a0ae94-29fd-7baf-94e1-9d470bb8f49c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075667
StatusPUBLIC

Content hashes

Canonical text2267323c3a80157134203f9cb68675f9dbaa718228ae8a0fe84a1219a2514d9e
Markdown1b56ab51d0a05212ec3ad4fbdc038bb6eb278d740ab70311f3afc38dfb45a0b5
PDF
Publication page48bdc32512da92af5cd0466894b0d30364682502205edd62868a7353daa12d12
Manifest41aa6a1c449eddab79092fa7b44dc676d1f9485fbc2d06305a01935671884474

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
Signaturey/REDS8KeOjV1r4moZ6tohifpGwrf2MnhmRRE5a2ltShC2eO1oh1G5AsSkLZVXpA1ET9Ga21JNsG73HtfSuGDQ==
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

2026-09-17T10:13:46.305574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075667
observed 48bdc32512da92af5cd0466894b0d303...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:46.287678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075667/manifest.json
observed 41aa6a1c449eddab79092fa7b44dc676...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:46.267149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075667/publication.md
observed 1b56ab51d0a05212ec3ad4fbdc038bb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:46.247761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075667/publication.txt
observed 2267323c3a80157134203f9cb68675f9...
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.