OpenTechnical

OT-2026-000018703

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, pulsed blow-off before set-down

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-2026-000018703) never changes.

Identity and time

Publication numberOT-2026-000018703 · never reused
Internal UUID01a0ae6e-d520-7d51-bb28-8d0a5f341153 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018703
StatusPUBLIC

Content hashes

Canonical textdc3f06898a76fe9cb33d7ce1fac40c21312d7828d910bc548fdc5df98523df5f
Markdown5220b96f3858ead424e185e42ca26a44f63ec328240372954d89ca067db8f0d9
PDF
Publication page6df771d0575c49776014bd9db442db14e3d7e8c670bc35e0510c8212228c5f1c
Manifestf77476a8c80c6d0cd6589d67e4d6dbcc5e9e918a0d6ed93ee85fa80c2afd7b07

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
SignatureYJ4jV2Umv9+QlFC7W5oB02/wE7mSwuV8Qla0LoIMCX09C4Ruqo1C0KBRowUPS0HT7E5b+1EzravDjQ6jSU8UDA==
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

2026-09-17T11:59:18.348148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018703
observed 6df771d0575c49776014bd9db442db14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:18.329339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018703/manifest.json
observed f77476a8c80c6d0cd6589d67e4d6dbcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:18.309887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018703/publication.md
observed 5220b96f3858ead424e185e42ca26a44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:18.290230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018703/publication.txt
observed dc3f06898a76fe9cb33d7ce1fac40c21...
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.