OpenTechnical

OT-2026-000061265

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000061265) never changes.

Identity and time

Publication numberOT-2026-000061265 · never reused
Internal UUID01a0ae8b-1382-7fc8-a918-21a426b5826b · 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-2026-000061265
StatusPUBLIC

Content hashes

Canonical text1489b9ca0751f2b7e931ff13807b52863da3e460686d48dc412e791f761327d8
Markdowncb5732b65c8134a41add934291352b013c43b2f819d331e5ea3c49ea60d495ae
PDF
Publication page82ea26bd25d44fd243ba7a73946cb5e6c04dc5b0cb3c66d5e7955ecb4f4ad05c
Manifest81fc1637450e725267530102ceaa80000f9ad31f8b22273ad67a50b5ba982f06

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
SignatureHJqoPu37RFBs5f2kk4TTLgxLNzlFULBIoLkt7pcpxNTQrhBKqaAjoWad0/Gl9APtQtNkDsmOiiKc11of28f9AQ==
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

2026-09-17T10:42:41.053599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061265
observed 82ea26bd25d44fd243ba7a73946cb5e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:41.035146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061265/manifest.json
observed 81fc1637450e725267530102ceaa8000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:41.015978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061265/publication.md
observed cb5732b65c8134a41add934291352b01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:40.997502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061265/publication.txt
observed 1489b9ca0751f2b7e931ff13807b5286...
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.