OpenTechnical

OT-2026-000011101

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000011101) never changes.

Identity and time

Publication numberOT-2026-000011101 · never reused
Internal UUID01a0ae6c-540f-7c98-a4f2-3e591ece377f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011101
StatusPUBLIC

Content hashes

Canonical text4e88cc8431172c9679323613f1d4ac8ea6f8a471b27b0504f58c896f96901511
Markdown294b645e7a70fa0657f59ba9cc943452bba7ab500f66839316b2b95040751d5d
PDF
Publication page4ad2cc677b13b03948628d3ddca472fb1e33545aca2826e7eefbb56ae4c241e4
Manifest78b0ef74b5a1c4bbe53a474c46ccbd815638c6613040161fc18a5bd84998a136

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
SignatureQahwixOTwDNGKXAdFybRlyyyMNEBP54JZF0nlqWZmFLPF+bnQ+ZSGHKTDPOX6aiK5t01IplH0Y7e21ADfm/nBQ==
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

2026-09-17T12:13:56.829625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011101
observed 4ad2cc677b13b03948628d3ddca472fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:56.810569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011101/manifest.json
observed 78b0ef74b5a1c4bbe53a474c46ccbd81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:56.790983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011101/publication.md
observed 294b645e7a70fa0657f59ba9cc943452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:56.773171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011101/publication.txt
observed 4e88cc8431172c9679323613f1d4ac8e...
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.