OpenTechnical

OT-2026-000077570

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, vented 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-2026-000077570) never changes.

Identity and time

Publication numberOT-2026-000077570 · never reused
Internal UUID01a0ae95-2ece-7f12-aaab-26f8b58e07f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077570
StatusPUBLIC

Content hashes

Canonical text4b521a1e03605646b0393bcc9dc18e35155a298beb5acaadd27c017b22d1fe21
Markdown188faedd506856c6efeb79b427a31234927cb2a252bb0743bcbdf0845c7713d7
PDF
Publication paged47439b6933778262c823a2c33dc5185ffe78aa9048bae390efb4adef2b38caa
Manifest9762461455b44986a7bf745ccc3e9753d1c70e9d599c150c9de4fe3ecedb3f76

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
Signature+NzWn5KT5xZ234NCPQ6Q2AXcV3DKlTCoTYH7z7qYqB9VaoByl8kJoa19kIIhP9eQe8KhC+/d9qX+EfN48TEoDQ==
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

2026-09-17T10:06:53.638893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077570
observed d47439b6933778262c823a2c33dc5185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:53.585446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077570/manifest.json
observed 9762461455b44986a7bf745ccc3e9753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:53.564967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077570/publication.md
observed 188faedd506856c6efeb79b427a31234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:53.512292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077570/publication.txt
observed 4b521a1e03605646b0393bcc9dc18e35...
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.