OpenTechnical

OT-2026-000079143

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single 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-2026-000079143) never changes.

Identity and time

Publication numberOT-2026-000079143 · never reused
Internal UUID01a0ae95-ccbf-751c-97da-67dbe4bce325 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079143
StatusPUBLIC

Content hashes

Canonical text552c8849ec6a4726ff1217ef196730a409f262bc994c81b2ee3996d8478e2d50
Markdown5aaed52251c421ac3ccef81d65d3672246d676b34810d78137e1aa512bc9e6aa
PDF
Publication pageeac92c1f300045d5edab4d97e8ff56850aa5dc821f604cf8c168a312dd77452e
Manifest0d244d4c53f86793745c8a0a6b7df559eb1056afa2dbdc1f8350b262fc3fef4b

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
SignatureuPystbpvVJUJbhE4++g9NqsgsPXoufDTFIN/VN90QTA61cwbZxuB5R5qUgljGT/YIQlIO9NzwECO+cL8c294Dw==
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

2026-09-17T10:05:59.567171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079143
observed eac92c1f300045d5edab4d97e8ff5685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:59.549621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079143/manifest.json
observed 0d244d4c53f86793745c8a0a6b7df559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:59.532795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079143/publication.md
observed 5aaed52251c421ac3ccef81d65d36722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:59.514553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079143/publication.txt
observed 552c8849ec6a4726ff1217ef196730a4...
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.