OpenTechnical

OT-2026-000084578

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000084578) never changes.

Identity and time

Publication numberOT-2026-000084578 · never reused
Internal UUID01a0ae98-e25b-717b-a1a6-aa522a5f56b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084578
StatusPUBLIC

Content hashes

Canonical text3f5586315e7292e5f1e660010b91e6e85f169d6a4b7c609399984178d31bf5a2
Markdown22bb2723d135fe43c4dbae0aefc34e171ec786ef15ceaed3fc71b7a549190ca6
PDF
Publication page3e6df5e9237295d99edc4e3373cbdd7d629b8bd66bdac614c5db61256cef0027
Manifestc3c6924c3bea6b14184656fed9088a2bf74d92b3f5df103fadeb85871efafca4

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
SignatureIgiLxeGkblRHn914/hYRIwSn9FXL3n16i0dXoSxLrmgrYAdi8MeDqhJanx1d7qpm36c33GpotpjaHFRkExHJBQ==
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

2026-09-17T09:55:28.604222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084578
observed 3e6df5e9237295d99edc4e3373cbdd7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.586084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084578/manifest.json
observed c3c6924c3bea6b14184656fed9088a2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.566851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084578/publication.md
observed 22bb2723d135fe43c4dbae0aefc34e17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.548426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084578/publication.txt
observed 3f5586315e7292e5f1e660010b91e6e8...
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.