OpenTechnical

OT-2026-000070853

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000070853) never changes.

Identity and time

Publication numberOT-2026-000070853 · never reused
Internal UUID01a0ae91-8c2d-7eed-b6b3-5c18e757f12b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070853
StatusPUBLIC

Content hashes

Canonical textd848ec1fc3327c2e22ec1f1c2cb8cc43d244ffd5193c29d1486bdf11ee3e41a7
Markdown4206918082ecab6256ec8658aaf71202672bf77831a8e4dd6bb1230a066ace39
PDF
Publication pageb0e885d7240e8c69074c80ca4040a5f3419a9b9b6ade64b396199102ab3dbeff
Manifest1024763e5da5ec126a45ab7bd06bd8f2be0a6c413a22977386e087a10248d312

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
SignatureHQExpzURe8+ReIeshjYbDvl2rnHvcfJF6Ao9s2oVF9FnsELgFAHAUiC0/EbJxmpdt00SSck4CEx0xZSueJQtCQ==
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

2026-09-17T10:25:40.333583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070853
observed b0e885d7240e8c69074c80ca4040a5f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:40.317950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070853/manifest.json
observed 1024763e5da5ec126a45ab7bd06bd8f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:40.300560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070853/publication.md
observed 4206918082ecab6256ec8658aaf71202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:40.283396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070853/publication.txt
observed d848ec1fc3327c2e22ec1f1c2cb8cc43...
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.