OpenTechnical

OT-2026-000081613

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single 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-2026-000081613) never changes.

Identity and time

Publication numberOT-2026-000081613 · never reused
Internal UUID01a0ae97-0f72-7d0b-b7a3-030b6d30edb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081613
StatusPUBLIC

Content hashes

Canonical text025818fee487356366453fef0b98c2c4228f7498268c8f5727ea12b59e53b0f3
Markdown0dcba64d1aac14cd06df372ce9cb973a78fee87fa85ac9f1c9d3d1282a8ae7ea
PDF
Publication page2591538c5845ed1ffe1cce345053f204383bc1a249f0f6f8aa383140d6c6c5d6
Manifestbfa0f990e7944a132f3cdf1899a956446bd2385fecfdfc2e14f24df10558261b

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
SignatureGVuzlN5N2rr5xpznF1btpLjbh8yEtBdZrCV+uWvP6XDQfUUtlzHN7gR/XSIg2d75agsoKJq2qalqKQV1mBX8BA==
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

2026-09-17T09:59:39.273536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081613
observed 2591538c5845ed1ffe1cce345053f204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:39.256036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081613/manifest.json
observed bfa0f990e7944a132f3cdf1899a95644...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:39.238476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081613/publication.md
observed 0dcba64d1aac14cd06df372ce9cb973a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:39.220099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081613/publication.txt
observed 025818fee487356366453fef0b98c2c4...
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.