OpenTechnical

OT-2026-000009121

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000009121) never changes.

Identity and time

Publication numberOT-2026-000009121 · never reused
Internal UUID01a0ae6b-31b9-7247-9dee-cf4f5370b89c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009121
StatusPUBLIC

Content hashes

Canonical text6401b926b55986297bbc81effbb14269d42cb2d01961746a94958461301e2f0c
Markdown2fac61fdbea80729670ba95184c7a00ac9e3a82177614a912fb98d8cd328f55f
PDF
Publication paged5b02ec2c67ca1b5cc653f4eec2880c7eb2b9cb868b595fab264733d1721c839
Manifest151ef606d2499c9d27964266ba5d9532123067ecf12bd0f4f9218d58e4fb9f81

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
Signaturey/ed5B7i7OY1Eb0TXFtaYXtLgOkfAyAlu0z18bjsOG51190BXp7VK+cylOIC7Q+M1XH4oAiUvTroVfHleZInBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:48.518239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009121
observed d5b02ec2c67ca1b5cc653f4eec2880c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:48.497262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009121/manifest.json
observed 151ef606d2499c9d27964266ba5d9532...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:48.476194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009121/publication.md
observed 2fac61fdbea80729670ba95184c7a00a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:48.453901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009121/publication.txt
observed 6401b926b55986297bbc81effbb14269...
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.