OpenTechnical

OT-2026-000102057

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pulsed blow-off after 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-2026-000102057) never changes.

Identity and time

Publication numberOT-2026-000102057 · never reused
Internal UUID01a0aea4-50f2-7b49-9298-2d0489a70d67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102057
StatusPUBLIC

Content hashes

Canonical text20ceb005060184b76686255c2ff6b4ce97d05e003c805aa4aad16f2588cf8c9e
Markdownbbc9b758bfdf6f7858546ab6f643365455009d87043b98d78f27783ebb3d4ec7
PDF
Publication page330062fa90397d60d04e6867178bda46b802c740ad739997140a562aad9b2f60
Manifest0f9bec6988e5f4220875e695218b5f7e92a88659b25e24b3331fc6f8a19447b7

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
SignatureQrCkgNfc3clom1mD3vUSshDuzAJSwc1CRi5+WL1m9aQ2pPpxgEjga67/2MpFs7rb1v8cB4Nlurdm0GB+esLNAQ==
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

2026-09-17T09:25:11.997709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102057
observed 330062fa90397d60d04e6867178bda46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.980548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102057/manifest.json
observed 0f9bec6988e5f4220875e695218b5f7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.961689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102057/publication.md
observed bbc9b758bfdf6f7858546ab6f6433654...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:11.943829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102057/publication.txt
observed 20ceb005060184b76686255c2ff6b4ce...
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.