OpenTechnical

OT-2026-000088329

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000088329) never changes.

Identity and time

Publication numberOT-2026-000088329 · never reused
Internal UUID01a0ae9b-5d27-7b4a-9dd0-c9729a3e3236 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088329
StatusPUBLIC

Content hashes

Canonical text4549bda8c91a67b680b9f35f0d071d11bcf5ecfdab3d7106fab877962083dcb7
Markdown9c134af724e773d029fbfc8a726c8869294a5cf6af3344c300df1ae438d45310
PDF
Publication page797a54ee199e56c6cd3e867d920c71e54e913952cc3be8c65a0eef9a707c4961
Manifest915e3d6807effaee86372225d39c47d119e0009d7d85996d1488c6bdea1e1914

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
SignatureT8NmN+L0QL93ebQURyeqGX/sXuzpR71ZsRwhHAEm5adPFHGmNqvxUm46IJkJYleoiwNBygkvtQ+zntcJKqMpCA==
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

2026-09-17T09:48:39.773543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088329
observed 797a54ee199e56c6cd3e867d920c71e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:39.754456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088329/manifest.json
observed 915e3d6807effaee86372225d39c47d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:39.735637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088329/publication.md
observed 9c134af724e773d029fbfc8a726c8869...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:39.717966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088329/publication.txt
observed 4549bda8c91a67b680b9f35f0d071d11...
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.