OpenTechnical

OT-2026-000022793

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump 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-2026-000022793) never changes.

Identity and time

Publication numberOT-2026-000022793 · never reused
Internal UUID01a0ae70-46ea-7c90-a82c-afb59b055b19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022793
StatusPUBLIC

Content hashes

Canonical text01ab5d51360d99dc9369b86017b78071afbc18945a96f28559c031b88b75ab92
Markdown07623635c1fa98075f249ee42fe3496a681e136105f4a93ae0f5e0ba14022469
PDF
Publication page2f2d18f579d74b8d1350bb9a4624a328781e29abce81737b708288b91626c13a
Manifestc371f0b21956e4ad0ddde4edf11c4a3ac94d866635b4ef1beae9ede7d9e4463c

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
Signature8+8oPpAtfH3Cwx6cAnbbW6E4GGRBXmTxd1shGzcCCz618XDEm0LxqRu7z+RI1wqp3b3Rc1lgEGJajMQBISraDA==
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

2026-09-17T11:52:18.833184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022793
observed 2f2d18f579d74b8d1350bb9a4624a328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:18.816181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022793/manifest.json
observed c371f0b21956e4ad0ddde4edf11c4a3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:18.796403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022793/publication.md
observed 07623635c1fa98075f249ee42fe3496a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:18.778385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022793/publication.txt
observed 01ab5d51360d99dc9369b86017b78071...
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.