OpenTechnical

OT-2026-000076440

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000076440) never changes.

Identity and time

Publication numberOT-2026-000076440 · never reused
Internal UUID01a0ae94-6a71-7024-9f77-4dab5b672958 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076440
StatusPUBLIC

Content hashes

Canonical textb2e57becae9efd7d8cde7532c6c95d66d47133e54124da8f5e4fc3db3a20d999
Markdownf9a9b2b67fffecf12691919f278f88f6a756657f876a4d6b9d3fbf79964c3d23
PDF
Publication page32de5af4eca3cdb3eb100ca8bdcafecc9d575b2ca709d19ecb36dc89d4fd5474
Manifesta5431f3eef9822817b761f8e7255a43c3e3f9d85013c47274aa06df321d1de90

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
SignatureGJ0QWQaAKag9fD418f8bUXM/rdF/V9VPDeU2Eb1zMWkh6h9Najs5Rq8W3/St1uPjfsaLr6uhh/vSVpvS/GlhDw==
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

2026-09-17T10:12:28.539926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076440
observed 32de5af4eca3cdb3eb100ca8bdcafecc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:28.521445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076440/manifest.json
observed a5431f3eef9822817b761f8e7255a43c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:28.501935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076440/publication.md
observed f9a9b2b67fffecf12691919f278f88f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:28.482158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076440/publication.txt
observed b2e57becae9efd7d8cde7532c6c95d66...
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.