OpenTechnical

OT-2026-000067398

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after 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-2026-000067398) never changes.

Identity and time

Publication numberOT-2026-000067398 · never reused
Internal UUID01a0ae8f-6bd8-7580-abf3-5ae8dfde1e53 · 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-2026-000067398
StatusPUBLIC

Content hashes

Canonical texta12c24d1d10f4b5d4d498c8b0ecd34dd38809cf58d00d2ac6c325098c6a1c642
Markdownd1b2d28c1da05b2a0d52c98736d6b600da1e31288be1eb4416b4201a3be341a8
PDF
Publication pagefe4ef0af9b20170d1ab52c4e9d619681fa46422d53d3979dc30614b479e1563b
Manifest46544252dea21a11ac63007cbc0b790a70b548c9cd4fdfaf612b5df908571e60

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
Signaturegrw7bX5ldSjXoYTlMK+Q0LUyfxL7bc+LNDuPtkzsg4fN1L11XQlgWuT9e6NW2E3JPgIeSsaTUQAHXicF06x9CA==
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

2026-09-17T10:31:35.469128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067398
observed fe4ef0af9b20170d1ab52c4e9d619681...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:35.452666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067398/manifest.json
observed 46544252dea21a11ac63007cbc0b790a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:35.435923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067398/publication.md
observed d1b2d28c1da05b2a0d52c98736d6b600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:35.418097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067398/publication.txt
observed a12c24d1d10f4b5d4d498c8b0ecd34dd...
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.