OpenTechnical

OT-2026-000048495

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, 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-2026-000048495) never changes.

Identity and time

Publication numberOT-2026-000048495 · never reused
Internal UUID01a0ae80-4de5-7cc9-95e1-6bae2a790a23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048495
StatusPUBLIC

Content hashes

Canonical text0c089862ebb204b5b7cb74dddb5783bc3e5c458d456fb006e24c7f3a48bb5c97
Markdown88ba0626ac4f7f79ce3c62ec784576843ba8523bc9f0fd7f23827811956e2e9d
PDF
Publication page2e781653fc33d5e1418ac2843228a4220d8d4f06d9413858883c2feb3de8f2a0
Manifestc5f9a9f4aabf9b2c47665cb14c82cee4e8b478e16a2516b5390d4866baad0fe0

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
Signature18l8FLpcBB15FTYOhUjmcaXDQdVELj4Id7bcn2qY8SrZfIA35lmTZQP92XM+/eFEVrHHog5t5KrVOhXA1YZJDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:05:10.004401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048495
observed 2e781653fc33d5e1418ac2843228a422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.985218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048495/manifest.json
observed c5f9a9f4aabf9b2c47665cb14c82cee4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.967052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048495/publication.md
observed 88ba0626ac4f7f79ce3c62ec78457684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.947138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048495/publication.txt
observed 0c089862ebb204b5b7cb74dddb5783bc...
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.