OpenTechnical

OT-2026-000102129

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000102129) never changes.

Identity and time

Publication numberOT-2026-000102129 · never reused
Internal UUID01a0aea4-50f2-79bd-91e1-7e5e7df8f11a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102129
StatusPUBLIC

Content hashes

Canonical textfaa4dcafc6da95a282458edf1e1da7b55922da773be1152cb2ab25b1b6bc4abe
Markdown34f02977d99dac48d9077da50cb46acc124f2509b4a43ad884a194f0f508b0c9
PDF
Publication page4befc301e1aa8697ef2723d1192a2dcee069e02cb61a37761a595627fa84a645
Manifest5ee5fb13b61639cd5f2600ef6014feaae250e4575dbdaffee4ad138f869e6e2d

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
SignatureBWZdt0EOZUkj7qBkrinSUwLzvgbS2ziy3htLmPeVrraUtOkr69IplW36n2O5IzPMJjvsiJgT3etDeduBUJNECA==
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

2026-09-17T09:25:17.404150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102129
observed 4befc301e1aa8697ef2723d1192a2dce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:17.385747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102129/manifest.json
observed 5ee5fb13b61639cd5f2600ef6014feaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:17.368137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102129/publication.md
observed 34f02977d99dac48d9077da50cb46acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:17.349940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102129/publication.txt
observed faa4dcafc6da95a282458edf1e1da7b5...
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.