OpenTechnical

OT-2026-000078119

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000078119) never changes.

Identity and time

Publication numberOT-2026-000078119 · never reused
Internal UUID01a0ae95-6e8c-78c4-a87b-ffe2a381430f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078119
StatusPUBLIC

Content hashes

Canonical textcdf66fe0b4698bffe8fd2d1d20c279860aa2e461c57cc02bf51a7f0b4bdb50e7
Markdown4e6e867e5e4f90df4d5ad1d96edb1ddfbfe2cdf4930440c5b303c0b95f3228bf
PDF
Publication pagef4048c3938b663853d4c4ceac8c09b18af7c4fc15e605cbe38d245a887628781
Manifestc7b86f454dbe7ab3bec755769ef68dda2a460adde853c9d982e08c8b8d6b90da

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
Signaturej3gIoJWEJ9pgq+uzMqBjoxJJTRkfBPkDENGjxyJdLgSK6fC9hmxdkmdxFc4+JomLXI1ZL1psoIEjq5Mpzrs+CA==
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

2026-09-17T10:06:49.796554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078119
observed f4048c3938b663853d4c4ceac8c09b18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.778895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078119/manifest.json
observed c7b86f454dbe7ab3bec755769ef68dda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.759772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078119/publication.md
observed 4e6e867e5e4f90df4d5ad1d96edb1ddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.740931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078119/publication.txt
observed cdf66fe0b4698bffe8fd2d1d20c27986...
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.