OpenTechnical

OT-2026-000077244

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000077244) never changes.

Identity and time

Publication numberOT-2026-000077244 · never reused
Internal UUID01a0ae94-f508-76a3-a86b-6152d35d5fff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077244
StatusPUBLIC

Content hashes

Canonical text69f17bfda452b7c17bc96dedcf09c1da0da948458c695c9cd6d7d20cb7318947
Markdownd5e0c160f56faf4edb32d0f6df7303d5337dbcc7dd4fd7829463fdf7f8034a84
PDF
Publication pagef59175614662880b8a2238863b4f4894e44a512a959c5ae0bbd296e0d3b6e00c
Manifest0d2d656c63cb220fa0be575c70dfe79da9c477d480af592511b835e5ce24c057

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
Signature0L28K1ZWHJ8gioFDN8tZfm7kXmfWkZwilVO2PkTYHFFlZvpfAhV9rp9GrBN9h8z/bYzg9GNHEn0Yq6c6GJmYAA==
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

2026-09-17T10:08:51.620394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077244
observed f59175614662880b8a2238863b4f4894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:51.601907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077244/manifest.json
observed 0d2d656c63cb220fa0be575c70dfe79d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:51.584046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077244/publication.md
observed d5e0c160f56faf4edb32d0f6df7303d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:51.565096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077244/publication.txt
observed 69f17bfda452b7c17bc96dedcf09c1da...
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.