OpenTechnical

OT-2026-000089655

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000089655) never changes.

Identity and time

Publication numberOT-2026-000089655 · never reused
Internal UUID01a0ae9c-1a22-7647-8424-6f32aa691e9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089655
StatusPUBLIC

Content hashes

Canonical text0d77e4c35a4c8d7a5ba24b1edd82a02bb32359526eef12691e9006da907000b7
Markdown9977f21322bd10b4775c5c1df25466a59d55bcc538a4ebf7cc979548db527ed3
PDF
Publication page9bb0e9d1e666feb843a1c021bed25c57614fdfed8123da3fb5c2cfa28077299f
Manifest4de3233121fa12afb14fbf325fc018740e110e5bd51a87968ecc83b2d129ce0c

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
SignatureUMxdZKetJDhG8cluiiEWB78pErBU7RQ+chF+D9rycOmw4qtAKP+cRQfnWgNRFRygMpkXeTfFNQf6j02+o9QXCw==
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

2026-09-17T09:46:38.821490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089655
observed 9bb0e9d1e666feb843a1c021bed25c57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:38.803069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089655/manifest.json
observed 4de3233121fa12afb14fbf325fc01874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:38.783895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089655/publication.md
observed 9977f21322bd10b4775c5c1df25466a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:38.765376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089655/publication.txt
observed 0d77e4c35a4c8d7a5ba24b1edd82a02b...
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.