OpenTechnical

OT-2026-000061036

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000061036) never changes.

Identity and time

Publication numberOT-2026-000061036 · never reused
Internal UUID01a0ae8b-137d-7e13-8c76-9dc1e19e2136 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061036
StatusPUBLIC

Content hashes

Canonical texta2a7b8a34a83afc1372c5f4d1cf6736dc9eed670d8c34a56f2c49bf2a76bd845
Markdown23747512b324351a43fc380e8b3b9af5271353f74b13d348f3a21a2da6b17ff3
PDF
Publication page3c89dae3f3cb59b304c1016d1620c99365749afb535a477f11a4e6b6326a2548
Manifest8400590873f9ec624a6d73bf7176df8cd46bfaa6de9f8e9c20cd70bdd25dc83f

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
SignatureS4CDHej3NsRY05c8g87keWf2fpR+4XrmK5JRcj4cIvUWmRU6po1Gs5/Nc/+Et3elp3ati3kFSConZSzkG+K9Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:23.169125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061036
observed 3c89dae3f3cb59b304c1016d1620c993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:23.152246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061036/manifest.json
observed 8400590873f9ec624a6d73bf7176df8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:23.134601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061036/publication.md
observed 23747512b324351a43fc380e8b3b9af5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:23.116816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061036/publication.txt
observed a2a7b8a34a83afc1372c5f4d1cf6736d...
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.