OpenTechnical

OT-2026-000077707

Publication integrity record

Two cup vacuum gripper, two zone face, three 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-2026-000077707) never changes.

Identity and time

Publication numberOT-2026-000077707 · never reused
Internal UUID01a0ae95-2ecf-77cc-b510-5abd25ef2b7a · 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-2026-000077707
StatusPUBLIC

Content hashes

Canonical textd6f6cdb35d382e7e28250b6ad54c6b0949c1c34ebedba4dac0fe1d18911446da
Markdown20d27166b41a0e14638f7cde5c78ff3eedb72010d80a0379a7a73cfd4951b27f
PDF
Publication pageac267b999d78068fb62c10f72df3acc4828867eff6f915cd3322563e44070ce7
Manifest3ce9dbc53f7763d101115f6ea1f3b5df0d31c07cf045dbe18de681c41ac6a66b

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
SignaturepQVgf06VWfe/rb1B4D6WcbrrpYblCVdluY8e029wVQPdGlTwc96aNmyPWLKVESMmCh4adVuQDLdjnkUOZwj8CA==
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

2026-09-17T10:07:16.844006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077707
observed ac267b999d78068fb62c10f72df3acc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.826797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077707/manifest.json
observed 3ce9dbc53f7763d101115f6ea1f3b5df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.807627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077707/publication.md
observed 20d27166b41a0e14638f7cde5c78ff3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.788493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077707/publication.txt
observed d6f6cdb35d382e7e28250b6ad54c6b09...
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.