OpenTechnical

OT-2026-000038430

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed 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-2026-000038430) never changes.

Identity and time

Publication numberOT-2026-000038430 · never reused
Internal UUID01a0ae78-2d53-7ba0-b3d8-c686324a8076 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038430
StatusPUBLIC

Content hashes

Canonical textdb0abe7e983fe31b589e4b480eebbf1eba67ff8a8900dbe4e9a1a7b6a3a9f829
Markdowna241f830c7624b5db08e9b8f037a8f864a3ae83152912a935006e1f7f03acb18
PDF
Publication pageedb88b8abea12ae0b62231363bf6b07f6b6dd72e0d79f86d8d3fca1323f4963f
Manifest438f3595030dfff9a781f9cde2f519806cf2b9e86152c06c611764eea50743cd

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
Signature3aoRCiY8mD9Q1/o4IrEZ0jMNrxURxoyoHDbc9qnqR8tjj56B/URrZcEjiIE9IiWxubyQHxEUwrNkY16tcwwTDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:22:39.388171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038430
observed edb88b8abea12ae0b62231363bf6b07f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:39.369702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038430/manifest.json
observed 438f3595030dfff9a781f9cde2f51980...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:39.351177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038430/publication.md
observed a241f830c7624b5db08e9b8f037a8f86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:39.331699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038430/publication.txt
observed db0abe7e983fe31b589e4b480eebbf1e...
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.