OpenTechnical

OT-2026-000033499

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, 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-2026-000033499) never changes.

Identity and time

Publication numberOT-2026-000033499 · never reused
Internal UUID01a0ae75-a38e-721e-a066-5632129519d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033499
StatusPUBLIC

Content hashes

Canonical textfb82684776a7d97623f8ab9245fbadba846f4d9c4032b879785e909155515016
Markdown2738034a3c8a54ed622d790159ee997912fc2ca8aebf8a7688935b00d8aafbfe
PDF
Publication pagef5d460047dc98fd974d10e4221915cfa01e45cad22d40ee2448f1922ed46b618
Manifest6ab9c46f91dfa2e022f50c24b79dd2df7bb01c530ea217e97dd53863346d497a

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
SignatureeTGEdE2TeZKS28jE5TGVB/DpPRtXqpzreTrC83G3elZeuJlN1A8MtIhPg4dNrXmIl0C1iD70L80DN46kycZpAA==
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

2026-09-17T11:31:20.976066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033499
observed f5d460047dc98fd974d10e4221915cfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:20.958009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033499/manifest.json
observed 6ab9c46f91dfa2e022f50c24b79dd2df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:20.940693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033499/publication.md
observed 2738034a3c8a54ed622d790159ee9979...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:20.923946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033499/publication.txt
observed fb82684776a7d97623f8ab9245fbadba...
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.