OpenTechnical

OT-2026-000078085

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000078085) never changes.

Identity and time

Publication numberOT-2026-000078085 · never reused
Internal UUID01a0ae95-6e8c-7b84-9842-cb9b4d216751 · 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-2026-000078085
StatusPUBLIC

Content hashes

Canonical text78d39429d928b02691bae12de6c7934b8f8762ecf6bdbd74be7cc4c1890fc298
Markdownd322e8eb5be157c76afcad65982b9dd7f6ced9c25b6f0ffef2bed29bb48fbafc
PDF
Publication page41de6c8ce6eaa36011a50ed86460e9da7e8b9e575787f7fe4086d7f582f4fc98
Manifeste6db8ddbcabe0c2166d194c183ea462435f7a767337f44737056913a6367648b

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
Signature5KnmDt4CHqofWtUOlMzKVaTPTxa9/T8l92Km/k76gdcei5H+cc7piV5yPGXDGcUB0Kix/Q2hR1iu/VeQ2GQ6Bg==
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

2026-09-17T10:06:47.561178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078085
observed 41de6c8ce6eaa36011a50ed86460e9da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:47.540952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078085/manifest.json
observed e6db8ddbcabe0c2166d194c183ea4624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:47.522772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078085/publication.md
observed d322e8eb5be157c76afcad65982b9dd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:47.502569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078085/publication.txt
observed 78d39429d928b02691bae12de6c7934b...
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.