OpenTechnical

OT-2026-000100724

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000100724) never changes.

Identity and time

Publication numberOT-2026-000100724 · never reused
Internal UUID01a0aea3-66f4-7012-9d3f-fce9967af799 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100724
StatusPUBLIC

Content hashes

Canonical text80c0ed6f709655a9212a85e1b7dbfa0e80b3a8098a5b29223573275e4767f912
Markdownfd6f15c7dffd766e3edabe4a68c5cd5b589110eec5c8b42b5ec722fe19732cb1
PDF
Publication pagecf80b8b29a4efdb3b31ba9094676085ec53735eec972f0a6ffc1a85496c8a820
Manifestda23880e4aa90c4fe46645a0825e39ffa67124e295e95b5f87d5a7b69e4d31c6

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
SignatureI1MJZ4uoI6ES9JhTwYrs3OjFZ1UphGOI9H/sJEBJNuTNlNyAKUlA0R0cVGCotAFw5DBJt5P2vSjACkxKWSU3Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:32.953257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100724
observed cf80b8b29a4efdb3b31ba9094676085e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:32.935866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100724/manifest.json
observed da23880e4aa90c4fe46645a0825e39ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:32.919540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100724/publication.md
observed fd6f15c7dffd766e3edabe4a68c5cd5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:32.901777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100724/publication.txt
observed 80c0ed6f709655a9212a85e1b7dbfa0e...
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.