OpenTechnical

OT-2026-000098361

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four 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-2026-000098361) never changes.

Identity and time

Publication numberOT-2026-000098361 · never reused
Internal UUID01a0aea1-e965-7cf1-97f7-c8f306831297 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098361
StatusPUBLIC

Content hashes

Canonical text3df4f926a042926e87b75f118488d05f66c4cc1babafdac2ea9e5da7363344f3
Markdownb57a67a7992a31a3dfcace365cd1c257db9330a16c66eddea328798f1b436950
PDF
Publication pageeeb8c1edf186b8cd84d8bea1a681c407ef3e5345ba40e38d876278ba444b237e
Manifestb55b5742bf12e61f14027623cdcbd33bc05fa0d670ab3feea1dfb945d203acb7

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
SignaturemJ55NTjd/aV+x9jgPlIJ9+JwNQ0MpkBQpIm4vbyBmLu9KRRp7PrpMxM38uD1FIU46H25igBjDQOcM2Vqf7q3Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:35.027943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098361
observed eeb8c1edf186b8cd84d8bea1a681c407...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:35.009533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098361/manifest.json
observed b55b5742bf12e61f14027623cdcbd33b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:34.992231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098361/publication.md
observed b57a67a7992a31a3dfcace365cd1c257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:34.973415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098361/publication.txt
observed 3df4f926a042926e87b75f118488d05f...
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.