OpenTechnical

OT-2026-000089333

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, manifold 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-2026-000089333) never changes.

Identity and time

Publication numberOT-2026-000089333 · never reused
Internal UUID01a0ae9b-db01-73d5-a7be-fc0ec58c97ce · 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-2026-000089333
StatusPUBLIC

Content hashes

Canonical text76d45f15a8be95c7e01a16051260745cced720baf2b277ffeb269b6c2d708d22
Markdown1373ec90552877d53fd19d86408b1ed99173ddfd703e4c768bbd3480f22f35dd
PDF
Publication page6ec3d141ffedfe65fcba043c197a0ce3acadfeee235c1a0d12d64fc6960a99fa
Manifestb26e41c7df7c05e35f04fcf5e54d8b45d6401ba687ad073e86cf0e6df7e71953

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
SignatureOtKO8r+TPbkDYabnCW+FTn+ToA93xTZB+p3XagGH10yECKfW0NzwpsPwQgw9pbRmhI12DMqbJ3GV1YLrShYwAA==
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

2026-09-17T09:47:23.165708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089333
observed 6ec3d141ffedfe65fcba043c197a0ce3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.148517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089333/manifest.json
observed b26e41c7df7c05e35f04fcf5e54d8b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.129608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089333/publication.md
observed 1373ec90552877d53fd19d86408b1ed9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.110554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089333/publication.txt
observed 76d45f15a8be95c7e01a16051260745c...
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.