OpenTechnical

OT-2026-000022153

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000022153) never changes.

Identity and time

Publication numberOT-2026-000022153 · never reused
Internal UUID01a0ae6f-f4fb-7ac2-8023-9f81c2a8a100 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022153
StatusPUBLIC

Content hashes

Canonical text738876de48b1b4fc2431639c877d266d2b51c16359f6c00de5021d788707df19
Markdown0afda464d8eb45f6ea8becab4f9b653de96828f8caa7a37ec4b17be69ef8bbdd
PDF
Publication page3b3e1a788181c2850b5dcc5578467225a2a92498afadc21601d7d0ad10b13f4c
Manifest4f2c8bbcbf3d5e97c595e89de38175d8981de75d0358c183d729b086b6643113

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
SignatureCE1BRbgxGVxLHps31KkKCcrevnThBz5vC7y+cc2b8ghuA4BdYFyo8RPVS6QncPRDlw3711fl5vXoMOp/EI/UDA==
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

2026-09-17T11:52:49.879088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022153
observed 3b3e1a788181c2850b5dcc5578467225...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:49.858057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022153/manifest.json
observed 4f2c8bbcbf3d5e97c595e89de38175d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:49.837840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022153/publication.md
observed 0afda464d8eb45f6ea8becab4f9b653d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:49.818638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022153/publication.txt
observed 738876de48b1b4fc2431639c877d266d...
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.