OpenTechnical

OT-2026-000068399

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000068399) never changes.

Identity and time

Publication numberOT-2026-000068399 · never reused
Internal UUID01a0ae90-2480-7193-8641-4f61df0c3f40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068399
StatusPUBLIC

Content hashes

Canonical text5c4f8d9a8386159feeb999d5e8849a951301598f3092d4144013f4288890fa10
Markdown47c1453a76cf9164410a7b20b1f7e8476d93efe2c2b92b92be93a33794a29a2c
PDF
Publication pagebbea8c1fff5aec8cf9c8f9fa2f399b436a25129ebf7dc0e51787cd4465448035
Manifest7c6e5b86b96a46636d475ebe75b7a49b2d7dbcd9b76309faaee138195ab12b88

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
SignaturepxdqoyVfbDEzd/dTH6okAUqhodvM0veQta5R5iQZFMMM17twUeSkHPUMXURpamioDYoUDIrP9cZ1D81SyNRmCA==
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

2026-09-17T10:29:27.344338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068399
observed bbea8c1fff5aec8cf9c8f9fa2f399b43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:27.326854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068399/manifest.json
observed 7c6e5b86b96a46636d475ebe75b7a49b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:27.309925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068399/publication.md
observed 47c1453a76cf9164410a7b20b1f7e847...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:27.290412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068399/publication.txt
observed 5c4f8d9a8386159feeb999d5e8849a95...
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.