OpenTechnical

OT-2026-000077725

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two 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-2026-000077725) never changes.

Identity and time

Publication numberOT-2026-000077725 · never reused
Internal UUID01a0ae95-2ecf-79c3-aadb-96ce5de635a3 · 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-2026-000077725
StatusPUBLIC

Content hashes

Canonical textdf40d1a37cb0fbde7b0e3e7c59467785dc45085214f66f251d8e431957d266b4
Markdown034f045a8cc872237ba0d6e3cad96a13715f2bb76de5c7410dbc15f0370bfbb4
PDF
Publication page71d364483e776f8ec3c9870767af2c8abd1921d26f41102513267647e3559c5f
Manifest2dc4b9f6b6e5c6757a366b1c9ba5fdcc399740064f17a954b20b20e55197ff08

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
SignatureK7pKmln2iAHW+vZPrhRlLF8Tmt8EbLh3kkl8fF1bbeZ9ptQDsD/t6rOUHXDoSkDAZJoyocaEWUnISyd4rlqpBA==
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

2026-09-17T10:07:18.147845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077725
observed 71d364483e776f8ec3c9870767af2c8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.130877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077725/manifest.json
observed 2dc4b9f6b6e5c6757a366b1c9ba5fdcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.111940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077725/publication.md
observed 034f045a8cc872237ba0d6e3cad96a13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.094195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077725/publication.txt
observed df40d1a37cb0fbde7b0e3e7c59467785...
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.