OpenTechnical

OT-2026-000081320

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000081320) never changes.

Identity and time

Publication numberOT-2026-000081320 · never reused
Internal UUID01a0ae96-f374-7082-ae93-6bd6ff322713 · 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-2026-000081320
StatusPUBLIC

Content hashes

Canonical text4810f157ed509b26c61fd74611d8f81ca0aad3257744a3f8d6c5f0c952c0ea1c
Markdown0527d68cfe76056d0313394d79352882c46808075fa90490dd5231f27f82437b
PDF
Publication page09c93ae9462613207bb3ee3a03f0b9635d5375764e3746e277e6972bc99695b0
Manifest5b5caf9179a9de06d3858074922d379aa1aec7ec9cc4bffac3b74acc17f3e04f

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
Signaturegq2VzxOhdzPUgcxfOfOhsiTKyV/heeEk/I83A7grDdn7CbquhAJsEmT9PnlJN5BWVAk4k2+PY9G4IfsNFxQXAQ==
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

2026-09-17T10:01:26.272740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081320
observed 09c93ae9462613207bb3ee3a03f0b963...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:26.255079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081320/manifest.json
observed 5b5caf9179a9de06d3858074922d379a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:26.236401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081320/publication.md
observed 0527d68cfe76056d0313394d79352882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:26.216667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081320/publication.txt
observed 4810f157ed509b26c61fd74611d8f81c...
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.