OpenTechnical

OT-2026-000067906

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-2026-000067906) never changes.

Identity and time

Publication numberOT-2026-000067906 · never reused
Internal UUID01a0ae8f-c4fc-7751-805a-3969a2717d5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067906
StatusPUBLIC

Content hashes

Canonical text09320846521aa0e87d21428a2e9dd30c847e95f7a150e6128d4b0c238c2510cc
Markdown4e301910508c5469324478c5b4c54e258fc94e003264ea9b9e7689695db01c76
PDF
Publication page59d0c3535cd9cebec5f00b70d0f892e3f2f56ea00987172b1f27b9883c07d285
Manifestbe1541ddd4b08272fe0017a357c9f4978ac97f4f955f6a4933b3fb11dfcb7c89

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
SignatureOwPN7CH/lMT78Ei0fbHWtaYbwTiJamTvoQ6EWUM1XXCM4J9Y2kqeMgWoFTxwKb1CNgPIfawaVWbAhL0lsm1nDQ==
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

2026-09-17T10:30:18.495448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067906
observed 59d0c3535cd9cebec5f00b70d0f892e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.474171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067906/manifest.json
observed be1541ddd4b08272fe0017a357c9f497...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.453339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067906/publication.md
observed 4e301910508c5469324478c5b4c54e25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.433976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067906/publication.txt
observed 09320846521aa0e87d21428a2e9dd30c...
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.