OpenTechnical

OT-2026-000058259

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000058259) never changes.

Identity and time

Publication numberOT-2026-000058259 · never reused
Internal UUID01a0ae88-f397-7a8a-8d32-a5f482a7fe32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058259
StatusPUBLIC

Content hashes

Canonical textfcee614e3aaef70cff55bcf0147ff2f8cb40568cc5daed842ce0c806a9c0a19e
Markdown5f06af42f9e72d3fe82b80a141a8b9e409d73231f82d7c358c628580e3c78a1f
PDF
Publication pagecc631a76d0ec8b584ced191c96142d72b582000648b40b77b915d527b01af525
Manifest90653d343c150ccef5c97164c5e62063394c990d113aea2885d24ba1af2ae9c5

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
SignatureDA7PwRuDFFftpSue0Ofne2w2v74r0FknzJXj8RzS8rO/IYY4Gc0L/c/e1BbGKY/YIZ8+FOPolhjug3lfvk61BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:38.547439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058259
observed cc631a76d0ec8b584ced191c96142d72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:38.528923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058259/manifest.json
observed 90653d343c150ccef5c97164c5e62063...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:38.510585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058259/publication.md
observed 5f06af42f9e72d3fe82b80a141a8b9e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:38.494031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058259/publication.txt
observed fcee614e3aaef70cff55bcf0147ff2f8...
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.