OpenTechnical

OT-2026-000101578

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum 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-2026-000101578) never changes.

Identity and time

Publication numberOT-2026-000101578 · never reused
Internal UUID01a0aea4-0e15-7356-a693-bc3e81350ecd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101578
StatusPUBLIC

Content hashes

Canonical textb25604732bb8165cf130464503d81bf0a160e1d1edd1a2211331198f1c115764
Markdownac9f80d27d2169e97aa6668ed57ee06157c638b029d9b37387a4d0db3ca3c3bc
PDF
Publication pagee72f3f6f8aa71e621b10e6ab62bbdd4475a41ac4bb30cb1a315d031cd2d62c59
Manifestfabdc6a5d67b4bd83b8fef74a9203da742ee0ab0a9ca8dd12497ec04efca7d32

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
Signature9cVC026D7L2W4fyCF32AbbnDyyzrBzhwdT5L7Fqrhb6vxxGjy/dpXJepY6AWgA1Z3ttH9KStVrlOvpBsOSwvDA==
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

2026-09-17T09:25:40.065793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101578
observed e72f3f6f8aa71e621b10e6ab62bbdd44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:40.045435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101578/manifest.json
observed fabdc6a5d67b4bd83b8fef74a9203da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:40.022100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101578/publication.md
observed ac9f80d27d2169e97aa6668ed57ee061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:40.002042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101578/publication.txt
observed b25604732bb8165cf130464503d81bf0...
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.