OpenTechnical

OT-2026-000100749

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000100749) never changes.

Identity and time

Publication numberOT-2026-000100749 · never reused
Internal UUID01a0aea3-66f4-7e21-a08b-c37b0425e517 · 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-2026-000100749
StatusPUBLIC

Content hashes

Canonical text1d2ce43b05f8b4bda913b79f6eb5b31fbce630de8d7359f43dae5961b579b643
Markdown1870440fe083df254cb703b33fe260d9f6f48c14882c06204f0e416bfc111430
PDF
Publication pagef679653bb5a36e38ccd6a21a27f50b8145c1190aaa983535044bf559509351c6
Manifest48893de52cb4cd9528dd190f13ffca59f62fbfa8e13b544eab3c179469bdf8b3

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
SignaturetOjh39cTm7s/bchxc/c9/rRzBWt1yY5bhiX53MmW/KdtnYrkti7iuoNpW2ici+RJcYA7qiJ1wZ9+efF0GUmhCA==
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

2026-09-17T09:27:35.047238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100749
observed f679653bb5a36e38ccd6a21a27f50b81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:35.029492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100749/manifest.json
observed 48893de52cb4cd9528dd190f13ffca59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:35.012151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100749/publication.md
observed 1870440fe083df254cb703b33fe260d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:34.995612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100749/publication.txt
observed 1d2ce43b05f8b4bda913b79f6eb5b31f...
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.