OpenTechnical

OT-2026-000035448

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line 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-2026-000035448) never changes.

Identity and time

Publication numberOT-2026-000035448 · never reused
Internal UUID01a0ae76-6a20-7e09-8cd4-7bdb162fd05a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035448
StatusPUBLIC

Content hashes

Canonical textb0483120bdd9f7baf4787648f6de8b96daa826042d2fcea3e05a57ea675bd608
Markdown8a626fe5f8f13af8acf170b377d3a3f78001c12994b66f59a8e20001067b247c
PDF
Publication pagefdd9e96c3d4f9f8788d33935c93dcacccbeca68f9fec9dcccff61086f93fe975
Manifestd74321d90bd68b07244c0e6c9600901fbd1480e146d5d74f99b16c203fa7900a

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
SignaturejTBPJpSKXhF2ONUqcAk14xjuSk37GU8tcdBNgI3dhuq7RYm/SgtcWx0DAbuhN49poGYqPNlbe9tJlj2BG83lCQ==
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

2026-09-17T11:28:45.999662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035448
observed fdd9e96c3d4f9f8788d33935c93dcacc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:45.983752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035448/manifest.json
observed d74321d90bd68b07244c0e6c9600901f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:45.966747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035448/publication.md
observed 8a626fe5f8f13af8acf170b377d3a3f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:45.948162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035448/publication.txt
observed b0483120bdd9f7baf4787648f6de8b96...
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.