OpenTechnical

OT-2026-000081403

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, sustained 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-2026-000081403) never changes.

Identity and time

Publication numberOT-2026-000081403 · never reused
Internal UUID01a0ae96-f375-7282-b624-a8e672598bba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081403
StatusPUBLIC

Content hashes

Canonical text8abe44ebcd82ce2a44ee10182d132ab276419f07d36b78b308fe233ab60af46b
Markdown35816c0f511d3823080e75b034dd28f977d7e670524c67d0dcdb0842742eac6e
PDF
Publication page4886d84e3a6c893a2d586c80c628bf15dda3126aa6b80bbb9d447fe888b4f53c
Manifest84ab609c07414fe431a7bb14d7ff6d62395ef661935bf06a398dc5762ddd676e

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
SignatureymlwA35prHewkMI5T40Tj/HOxIzL/97udxT9ljmbI5G/SLrSSDHAxqeFQICjjDB8iFX3AdRTveBv3QSRqzrbAw==
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

2026-09-17T10:01:33.011932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081403
observed 4886d84e3a6c893a2d586c80c628bf15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:32.993839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081403/manifest.json
observed 84ab609c07414fe431a7bb14d7ff6d62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:32.964366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081403/publication.md
observed 35816c0f511d3823080e75b034dd28f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:32.938565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081403/publication.txt
observed 8abe44ebcd82ce2a44ee10182d132ab2...
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.