OpenTechnical

OT-2026-000089064

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000089064) never changes.

Identity and time

Publication numberOT-2026-000089064 · never reused
Internal UUID01a0ae9b-daff-7f48-ad96-dba6ea9475a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089064
StatusPUBLIC

Content hashes

Canonical texte23139bf098a1089c5b0777fcb7731893543ac299e4d364bcacdbd0a3d7791fd
Markdown44c1bf4b5add85410c7a8eb951f913c0db9932de52a73dcb09c69d1523451381
PDF
Publication pageb259fa91eac2c36e68fa7b9da43b4efa3b5ad08728547fbefc8c358b1cc30467
Manifest39fd5f682f92b5a05f91fb8deb37ba8f71972f904d1e2d8bd6d5ad274ac81add

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
Signature3MklVpNIdlga/gBvEkTnqvmAx8nBFKwDDcQ8RuNX0jYbsuRs3O6VddYGnPCSHQpXtPxDSaAMwG+x6LvQ1oDuAg==
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

2026-09-17T09:46:57.869161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089064
observed b259fa91eac2c36e68fa7b9da43b4efa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:57.851867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089064/manifest.json
observed 39fd5f682f92b5a05f91fb8deb37ba8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:57.834268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089064/publication.md
observed 44c1bf4b5add85410c7a8eb951f913c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:57.815546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089064/publication.txt
observed e23139bf098a1089c5b0777fcb773189...
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.