OpenTechnical

OT-2026-000023593

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000023593) never changes.

Identity and time

Publication numberOT-2026-000023593 · never reused
Internal UUID01a0ae70-726a-74d6-98cf-777dd04e36f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023593
StatusPUBLIC

Content hashes

Canonical text89136aaf839dac8b03254ffe79724a0862405e11516b7e49baaf1cbd633a9036
Markdown4ef8b923319901204a38eaf209f86078028e64519b4f95d975d73514de7cd310
PDF
Publication pagebbd623d55c4ba8059b41417be2425d949085a05decccc9de1673649610fee776
Manifestb77be4beb7ad117da33579bc668355bea17737f4e12c5f10e755108ba96f5377

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
SignatureZPGZHDB7aQqwP0nE028HlCjn0B8mv6TmklkALJmNOzIqc90nvrMRpuKM0rXsFoQYgV77uhhHG8ftvXHiENtaBg==
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

2026-09-17T11:51:57.176962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023593
observed bbd623d55c4ba8059b41417be2425d94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.159377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023593/manifest.json
observed b77be4beb7ad117da33579bc668355be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.134317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023593/publication.md
observed 4ef8b923319901204a38eaf209f86078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.114048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023593/publication.txt
observed 89136aaf839dac8b03254ffe79724a08...
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.