OpenTechnical

OT-2026-000066412

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000066412) never changes.

Identity and time

Publication numberOT-2026-000066412 · never reused
Internal UUID01a0ae8e-ce40-7728-baeb-890e550f5748 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066412
StatusPUBLIC

Content hashes

Canonical texte2c79f202b9ddd2b221562da6f7bb2e7561d5874fc15546146fbab495f3452bf
Markdown2193893957ae246e0f55aba4803eaf37a344cd5e5a13646548498946f7099681
PDF
Publication pageb41273d7e6257795df8389e14abce9799040448b84dbfbe59552457dfeba14b0
Manifest108b94963bac17ec250d5fb1a9a1a97ba3574cfb5795633e480213260e805c61

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
SignatureMTMTJa2f1dSTkI8/QIFmLR0iXWHmlbIUqrVqoJNjW6l8p7RBL1Zf8h/sBYiGjJDXQtsTZV27CkGqjBnQPmLpBw==
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

2026-09-17T10:32:39.050855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066412
observed b41273d7e6257795df8389e14abce979...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:39.034355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066412/manifest.json
observed 108b94963bac17ec250d5fb1a9a1a97b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:39.018426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066412/publication.md
observed 2193893957ae246e0f55aba4803eaf37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:39.000073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066412/publication.txt
observed e2c79f202b9ddd2b221562da6f7bb2e7...
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.