OpenTechnical

OT-2026-000098171

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000098171) never changes.

Identity and time

Publication numberOT-2026-000098171 · never reused
Internal UUID01a0aea1-e964-7e02-9fe1-d30b8cb0f7fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098171
StatusPUBLIC

Content hashes

Canonical textde6a93c09ee25a3ab2bb8a9b93707ed90cf2c39ba55e34a7de65672e17b38ebc
Markdown2dd9445a136102419d107031108e63131ed0b8718f8d71d92cf5b889d80b8d27
PDF
Publication page22ec9e07f7aa137270741126e37f05be01dcd324652b4787ba8c89b30e6fb623
Manifest566fd5dd52c791e72d1da30d434d076b79c06c8986b4b6adaf13e02f2444e554

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
SignatureL1+EIC7eO0y5BAcg9IsQ4nX3r4O1eJwlAktRR5W0cIrkBhcOQNJv7VzNWKCa9JwabO498Lih5MFaMwna3D6FCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:19.469330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098171
observed 22ec9e07f7aa137270741126e37f05be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:19.451615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098171/manifest.json
observed 566fd5dd52c791e72d1da30d434d076b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:19.434160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098171/publication.md
observed 2dd9445a136102419d107031108e6313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:19.417923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098171/publication.txt
observed de6a93c09ee25a3ab2bb8a9b93707ed9...
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.