OpenTechnical

OT-2026-000012502

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000012502) never changes.

Identity and time

Publication numberOT-2026-000012502 · never reused
Internal UUID01a0ae6d-39f7-79b8-b9be-ead031ea3bc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012502
StatusPUBLIC

Content hashes

Canonical text70182701cb503e00685d3ccc9600b25112693036a8b2ed99fcea6dacee9589ee
Markdown5860336e9c0c2229cd94f151e970bad1ea91954eacb3e1e5b84ce2cb16c9a0e1
PDF
Publication pagebfc7b2ac602f631b35e84905145d4e6c2df751f798d7411ddc8e82ed9960306f
Manifested269151b2700ba987e1561be5c6fcba78de1f14618bf8155e94e200dc5ef7bf

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
SignatureqN1JjttMWfAaAzU+Nbo9PPTF9zvEKRa0XDj+C9nzjBVlI1/gs7QNVq7QTHX67rTnZUywWhRZr7k0Up6tF4sgCA==
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

2026-09-17T12:12:01.263579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012502
observed bfc7b2ac602f631b35e84905145d4e6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:01.243111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012502/manifest.json
observed ed269151b2700ba987e1561be5c6fcba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:01.225145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012502/publication.md
observed 5860336e9c0c2229cd94f151e970bad1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:01.207246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012502/publication.txt
observed 70182701cb503e00685d3ccc9600b251...
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.