OpenTechnical

OT-2026-000097707

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000097707) never changes.

Identity and time

Publication numberOT-2026-000097707 · never reused
Internal UUID01a0aea1-92f5-7a97-8a59-85daa5a3b6ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097707
StatusPUBLIC

Content hashes

Canonical textad7a32c92e00de5af426abe5132c827f68f75ae8ba25e3f48001d663fdd703c6
Markdownddef373a5a07b5727a2ee2108c1b57628e1d7b34a2e46fcd51eb2e09000f43cc
PDF
Publication page499d8b24327abf7e220e346d4eeef952c9ead04d0b6c10b99ae1efdb615d4606
Manifest2a6f05b8eaa8e5df84a3a83d1ea38e76f01e4f6e45b5238d92d2b4eef5039413

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
SignaturetYlGj4Iw63BgMFTdqEwu0my1JtLkp1peVtQyG+lNWKDCrU6Im+OD6d1M71GSB8y2Sn832TZnQYwenZs+yZrQDg==
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

2026-09-17T09:32:44.031959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097707
observed 499d8b24327abf7e220e346d4eeef952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:44.013629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097707/manifest.json
observed 2a6f05b8eaa8e5df84a3a83d1ea38e76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:43.997116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097707/publication.md
observed ddef373a5a07b5727a2ee2108c1b5762...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:43.978787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097707/publication.txt
observed ad7a32c92e00de5af426abe5132c827f...
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.