OpenTechnical

OT-2026-000079068

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000079068) never changes.

Identity and time

Publication numberOT-2026-000079068 · never reused
Internal UUID01a0ae95-ccbf-7d46-9b91-4e0ec6b2b7e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079068
StatusPUBLIC

Content hashes

Canonical textdc2fd10b672b9c52f763b7a497a73cc42d3a8fac90cdbb7e9313bd3a320fc1ac
Markdownc07412d5df75720e142c760c894908458ce4c39c944ea722375bb16759cc79ef
PDF
Publication page04f28350e9ff457c24b3cdea7d72a3d7633ac0c3f3841a19857df7f3e300f94e
Manifestb2c4b8cd4622a2bfffca249e880017f875277d544b0f0491a0c55f02008139de

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
SignatureOu43DCc6ICmkcSwhnHeeZbVUKEVVN47OK9ZSiqqLR7ViLLEKbFowTsoIrQycgy5aias8H74XxPpoXy5nytD9Cg==
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

2026-09-17T10:05:54.682643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079068
observed 04f28350e9ff457c24b3cdea7d72a3d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:54.664509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079068/manifest.json
observed b2c4b8cd4622a2bfffca249e880017f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:54.645888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079068/publication.md
observed c07412d5df75720e142c760c89490845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:54.627862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079068/publication.txt
observed dc2fd10b672b9c52f763b7a497a73cc4...
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.