OpenTechnical

OT-2026-000081219

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000081219) never changes.

Identity and time

Publication numberOT-2026-000081219 · never reused
Internal UUID01a0ae96-f373-7974-940c-5918e49bb595 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081219
StatusPUBLIC

Content hashes

Canonical textb87effe94dcc8b119f9de5d831e82cd65411b2355559b2762a7c7976e14096f3
Markdown8cd6093faa10cb1e0cfef5caa6011ea6c03f7f55764e82fd3c23b8073125282f
PDF
Publication page53c4355b8f72d23b26c313a82d3b4c05ca0d08c4fe1545bf6f9853c41c7db440
Manifest8fb45fee34aaf4af553abb962062856aa7cdf107d800364e62df21b285d5c83d

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
Signatureo4DrP1UTuDhZwP65pjr5l4cvPQ0WhJh5nnE3DB4UysrxcRoUSjb2pZAsOlP1HtJmlMcEcBTzTaLnMg7LtBybBA==
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

2026-09-17T10:01:18.084432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081219
observed 53c4355b8f72d23b26c313a82d3b4c05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:18.063841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081219/manifest.json
observed 8fb45fee34aaf4af553abb962062856a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:18.044239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081219/publication.md
observed 8cd6093faa10cb1e0cfef5caa6011ea6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:18.023433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081219/publication.txt
observed b87effe94dcc8b119f9de5d831e82cd6...
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.