OpenTechnical

OT-2026-000068069

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000068069) never changes.

Identity and time

Publication numberOT-2026-000068069 · never reused
Internal UUID01a0ae8f-c4fe-703d-b605-e9818c9b9d18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068069
StatusPUBLIC

Content hashes

Canonical text11fe4bb32333fab46fcf70729985f4a7e39533012e0001dc2396d1fcc274cc73
Markdown0589e47a935b9c9834335f62ee710c85290af990a137c42266339aca250c0059
PDF
Publication pagecd3afc9e8adb7baddc46b4b10b40f4e7dd02c204a1c0b9078a71f5833d688151
Manifest11dfe0f0ed33007b28e7be420763152a66a5b5f9e417bb0bbfccb8d2f814cd61

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
SignatureJrw1hZACPPNWZUwZ3IyFzxbthZO0ZexBUAx0r+Si81c2ysphThwb/OUVtanFO6dPqA45Z87GmvjdXU8jy4k2Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:39.395452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068069
observed cd3afc9e8adb7baddc46b4b10b40f4e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.373120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068069/manifest.json
observed 11dfe0f0ed33007b28e7be420763152a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.356141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068069/publication.md
observed 0589e47a935b9c9834335f62ee710c85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.337744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068069/publication.txt
observed 11fe4bb32333fab46fcf70729985f4a7...
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.