OpenTechnical

OT-2026-000103053

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, pulsed blow-off after set-down, on a tool changer

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-2026-000103053) never changes.

Identity and time

Publication numberOT-2026-000103053 · never reused
Internal UUID01a0aea4-be3d-7347-89b6-9f1d1081effa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103053
StatusPUBLIC

Content hashes

Canonical text35e2cb74a5cd64be5e90469bb512e44c4d26ec8d4b45bb1b1dc1a6dcbae767b1
Markdown0c975325c2d9b9d21e06fe13ce2a17b5b5f4ac4caee7ffd6f89c63be0bb6d356
PDF
Publication page9193bbb1116139ff73c87c41ac62cb97bb6ecefa9b9f453dc41d6be39a624431
Manifest973be46b0d313c428adc1450a06d9c02d515ccff4539193b523c664773d80434

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
SignatureefnOrS3PDTsr1bFXf/fZckC5EVIHqP1ZqLiuuAA40lSDs9qZPQ5Ul6QupfCtKLh2CeMdz6OLDr+us6r/trzFDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:10.695200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103053
observed 9193bbb1116139ff73c87c41ac62cb97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.678467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103053/manifest.json
observed 973be46b0d313c428adc1450a06d9c02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.660754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103053/publication.md
observed 0c975325c2d9b9d21e06fe13ce2a17b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.644118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103053/publication.txt
observed 35e2cb74a5cd64be5e90469bb512e44c...
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.