OpenTechnical

OT-2026-000077877

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000077877) never changes.

Identity and time

Publication numberOT-2026-000077877 · never reused
Internal UUID01a0ae95-2ed0-7ac2-af44-45570abc01c9 · 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-2026-000077877
StatusPUBLIC

Content hashes

Canonical textdc54495a618bd4f7f77e91eacf2b67bfcab4742a0d146f03be5fa4ba8f574323
Markdown019cf3861664c61834b80c727f580c47cdcfcc650bd21f59c458a77fb750fccb
PDF
Publication page09ffd4305b81112cab18c064581f426925ea202c90594e9ba5fd2926ba75c8fd
Manifest3d6ced243e6719a4dd83f40fe58b214fd6bd80af48264e874e0d1cf522dbea8b

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
SignatureiWKRZBHVeNfGcubNRIX7LN0P0d/iKDQwgpVjxq6/+bd4CNKaVzHBtiwYMYsHBQLUOrD/Go2DmgCRQM3YPU4NCQ==
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

2026-09-17T10:07:37.282055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077877
observed 09ffd4305b81112cab18c064581f4269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.263823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077877/manifest.json
observed 3d6ced243e6719a4dd83f40fe58b214f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.245119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077877/publication.md
observed 019cf3861664c61834b80c727f580c47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.225938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077877/publication.txt
observed dc54495a618bd4f7f77e91eacf2b67bf...
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.