OpenTechnical

OT-2026-000098944

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold 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-2026-000098944) never changes.

Identity and time

Publication numberOT-2026-000098944 · never reused
Internal UUID01a0aea2-8286-7ce0-b927-d47392c57bf6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098944
StatusPUBLIC

Content hashes

Canonical text1f5fc83758d24cd13ccfee0f760500876a4d30e33355dd40bfe0fc52ad25d729
Markdown9ae8db8a822fc20d43e227af2946002634bcdd8b8676e959781a221663aa0a32
PDF
Publication pageb8b9f9223de471ed09078af29832c1ddcea43ea6f73d8d88fbcb5d500950ecb3
Manifest2f6a95d9ac5435c043b4ffa31c6a2a2bf22cbeb40fa7aeb518f1d8e3178e8d79

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
SignatureKtIrZ618x+vb2J2qDBs0JT1wirESKUIdG11SexuMXhXTuz9gzkbNzZwzGNkff2vUko0KAb8hzezziXRhoyutBA==
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

2026-09-17T09:30:00.863080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098944
observed b8b9f9223de471ed09078af29832c1dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:00.846132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098944/manifest.json
observed 2f6a95d9ac5435c043b4ffa31c6a2a2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:00.829462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098944/publication.md
observed 9ae8db8a822fc20d43e227af29460026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:00.813742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098944/publication.txt
observed 1f5fc83758d24cd13ccfee0f76050087...
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.