OpenTechnical

OT-2026-000036891

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000036891) never changes.

Identity and time

Publication numberOT-2026-000036891 · never reused
Internal UUID01a0ae77-773f-7307-b95f-f7a057414bc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036891
StatusPUBLIC

Content hashes

Canonical textb25340c1ea71e2b1cd7dfdad328d5e2f5f90afa01e482fb843cace59b53af482
Markdowne70d195d85d089afd39d2201f5bfe278945ed0a85a6a9db7aed686a27a2d4b95
PDF
Publication paged655873266b1b4f344740b4088454d3b32ce7be38a25bbd4f03b3a873c02c0bd
Manifest051b7f63b71199ecafaa85fe116b6edbe92d148e4e5e9d488a83b07af14d13e6

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
SignatureZ87GSPF7vLexxen2YcG91Q3f9klMQh4QdKs6QT3BC12B3deeJvywyX2e/lzayRmzlNn8pL4Up5plqIXDOWLADw==
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

2026-09-17T11:24:31.736184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036891
observed d655873266b1b4f344740b4088454d3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:31.720288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036891/manifest.json
observed 051b7f63b71199ecafaa85fe116b6edb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:31.678542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036891/publication.md
observed e70d195d85d089afd39d2201f5bfe278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:31.637313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036891/publication.txt
observed b25340c1ea71e2b1cd7dfdad328d5e2f...
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.