OpenTechnical

OT-2026-000082981

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000082981) never changes.

Identity and time

Publication numberOT-2026-000082981 · never reused
Internal UUID01a0ae97-8cca-7107-97eb-0931ab4f73db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082981
StatusPUBLIC

Content hashes

Canonical text6699aa0cf059724fdc015eb7a99cde3dba7a41faff83af6b5699c73652c5a94e
Markdown348bb974cffd1b15c7bf87d8d02f01e375d2df3988881769f876380ceb9e6d2c
PDF
Publication page6958d25cdf26a4d516ace5c93e00387696b7caecffc535bb1ddd5162d181fff4
Manifestf02619e220f14be49521b65ceaa0a1aa50bb7d1fdd1d2e1e8452cb9accb533df

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
SignatureADvNfghthacks2qgLvTakte3OVo67yyG6HgGCMRckhj408oX16iqQtGJdaIzFiLGThW4MyMT522gwrBezFSmDA==
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

2026-09-17T09:58:41.079658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082981
observed 6958d25cdf26a4d516ace5c93e003876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:41.062420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082981/manifest.json
observed f02619e220f14be49521b65ceaa0a1aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:41.045865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082981/publication.md
observed 348bb974cffd1b15c7bf87d8d02f01e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:41.024532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082981/publication.txt
observed 6699aa0cf059724fdc015eb7a99cde3d...
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.