OpenTechnical

OT-2026-000036457

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000036457) never changes.

Identity and time

Publication numberOT-2026-000036457 · never reused
Internal UUID01a0ae77-01d1-76cc-9b7f-9632f8b7271b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036457
StatusPUBLIC

Content hashes

Canonical text96aebccaefaf83ea9b4cb8f8302e4ac44bfb5af049c73104bd169245003ba904
Markdowna184ab1d9f491bfa06fd583b146cf733d3811886e2327d9238893218ba3706f2
PDF
Publication page55744ad49d592ab18222d1557bfa574d5463cd48496efdb0bcd5ad2e3e788fe8
Manifest4500219c632df661b6ff6b4cadbc32afee12ddd035f6e986423fd9c7763aadb1

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
SignatureW7AkoTVxGKJopQaTfSMG9fIQUMYb2KmjPIWcqf+xNRTUgWmTZuMSfq0VYgj0sDp/+X8Xd3CJ+zA5bDQ5HrbxCQ==
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

2026-09-17T11:26:51.479126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036457
observed 55744ad49d592ab18222d1557bfa574d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:51.463240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036457/manifest.json
observed 4500219c632df661b6ff6b4cadbc32af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:51.446508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036457/publication.md
observed a184ab1d9f491bfa06fd583b146cf733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:51.430726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036457/publication.txt
observed 96aebccaefaf83ea9b4cb8f8302e4ac4...
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.