OpenTechnical

OT-2026-000067508

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000067508) never changes.

Identity and time

Publication numberOT-2026-000067508 · never reused
Internal UUID01a0ae8f-6bd9-73f2-8a3d-a49aa587a1ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067508
StatusPUBLIC

Content hashes

Canonical text1a1b4487ff1b40a9b73c9af3620a10ae6d9073edbb1c9c0f8c4300182b7a8732
Markdowndd7de96a7d57ea60e75cb0ce85d0a59a94c55c27523b928ee3e533abff91dbe2
PDF
Publication page003668e6490a274c4e213ff50026d048704a488a1906c38dc75e0586ff7bf1e7
Manifestcd198209affa53765ef0ee38a5e0164f2cd3c118d43d3a763cec59fdac0db9da

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
SignatureKGMALqmIXp8BgU3Gd2BHyAqQFPDY1bqcbL1jri++QTKbDSE6lzwfGC7FzWq6OzcHHGB4MyWnYpTtcAdAXzEuAg==
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

2026-09-17T10:31:48.311315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067508
observed 003668e6490a274c4e213ff50026d048...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:48.294747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067508/manifest.json
observed cd198209affa53765ef0ee38a5e0164f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:48.277666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067508/publication.md
observed dd7de96a7d57ea60e75cb0ce85d0a59a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:48.259855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067508/publication.txt
observed 1a1b4487ff1b40a9b73c9af3620a10ae...
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.