OpenTechnical

OT-2026-000012102

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, 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-2026-000012102) never changes.

Identity and time

Publication numberOT-2026-000012102 · never reused
Internal UUID01a0ae6d-1943-7511-bd9f-e7ef9dee4165 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012102
StatusPUBLIC

Content hashes

Canonical textca238d9ae48d91557fa6af185e17a9929f71bef2ee11607a1729ee6202e5f488
Markdownfef30cd001f9f96aea4f61162babf115dbf22b1eca5fe818f8e66f170c2148ab
PDF
Publication page9827f6145dae134391e97efcc596fb9820be1927bd2e3fff505facd199f94b2b
Manifest4c0b0c9a18f0ae6c7b0ebdd77b3590c04097c74f5dd7b0e58c0390540b65f28c

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
Signatureo3WBVlbVEwRTO9gr3TErPKnUiapYiAsuwCSig2sZq3dm3kgOEI4TwisePVhJFFtA5AZbTaKSglVhpm/gt9BKCQ==
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

2026-09-17T12:12:59.877954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012102
observed 9827f6145dae134391e97efcc596fb98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:59.858538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012102/manifest.json
observed 4c0b0c9a18f0ae6c7b0ebdd77b3590c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:59.839628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012102/publication.md
observed fef30cd001f9f96aea4f61162babf115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:59.820989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012102/publication.txt
observed ca238d9ae48d91557fa6af185e17a992...
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.