OpenTechnical

OT-2026-000077713

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000077713) never changes.

Identity and time

Publication numberOT-2026-000077713 · never reused
Internal UUID01a0ae95-2ecf-7a51-9a7c-86067d21b074 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077713
StatusPUBLIC

Content hashes

Canonical textac12f8223f6622a3902d92bf0ee9cf4865cfa3f12a2d6adc0055549adc45b845
Markdown96aa06a0c8c1c0da5e34983414a50272ee7d409982e4251bfe8d98a4eef53d42
PDF
Publication paged64c133de8c1a335f12f16b3b92ddd1d13a893aefeb2657e68ec05ef067e0308
Manifest6b55b92e93ed6be0dbc6de8493a26d230b44bdc5e7c2ce11a2d7572b4ed0121a

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
Signature/R30GBSA4XaZhwYsvwVBcde+Zq6C3SfuiVQWbfTqada6N0Z6pBnTZNVeDmf3uVtolL7C/b56yzzgTFedYFBtBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:07:17.236322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077713
observed d64c133de8c1a335f12f16b3b92ddd1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:17.221330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077713/manifest.json
observed 6b55b92e93ed6be0dbc6de8493a26d23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:17.202009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077713/publication.md
observed 96aa06a0c8c1c0da5e34983414a50272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:17.182827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077713/publication.txt
observed ac12f8223f6622a3902d92bf0ee9cf48...
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.