OpenTechnical

OT-2026-000039952

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000039952) never changes.

Identity and time

Publication numberOT-2026-000039952 · never reused
Internal UUID01a0ae78-d8d7-7e29-83f5-50e7a046fbb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039952
StatusPUBLIC

Content hashes

Canonical textcfa5ca96d6aa3278a6e986d77ce2908593d90c160db877e0233d2b8d432842bd
Markdown1c40ddb10473aaac37c0b4efd57ffd5b68244f5d7f24b7940f8c28c320884b00
PDF
Publication page486ab9c8366b0a4605ba6cc13de6397a64d1eba4bae25db53f9cf9cb6510b64a
Manifest554418312b9c2e1b2444eb32070da94107e0460a01eb2c19c3e325dbac9700f0

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
SignatureaEVn0wsHNKon0duYoZd5aSMxUAsliU44QCry5+R2sm1cHK8qYf/iKmbjvm0svnZM2jfV4KYtML2oNisQsZOTAQ==
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

2026-09-17T11:20:15.425767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039952
observed 486ab9c8366b0a4605ba6cc13de6397a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:15.406710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039952/manifest.json
observed 554418312b9c2e1b2444eb32070da941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:15.388215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039952/publication.md
observed 1c40ddb10473aaac37c0b4efd57ffd5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:15.370907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039952/publication.txt
observed cfa5ca96d6aa3278a6e986d77ce29085...
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.