OpenTechnical

OT-2026-000057515

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000057515) never changes.

Identity and time

Publication numberOT-2026-000057515 · never reused
Internal UUID01a0ae88-2692-7ae9-80f7-2a8160681477 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057515
StatusPUBLIC

Content hashes

Canonical text5ee5b680852e80d0520b4cbed7ae6a79f0e7bff391c48d253af467b0ac79222a
Markdowndfb4f1905e99107570303b5e4fd8dad23abece62c4debdde2ba88f7c7cc9d36f
PDF
Publication page58af0f17b505d88ccb77291e81aae815e6742c628b3708f18ce65ae65e87b1d2
Manifestde95a5e386d5755838ef216ad3abbcc52f612de08c984899c0820327cdf20103

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
SignaturemomGq2hPYA7yE/qx16+PrO5sUq+QCG8piOZ1Qhh5lOR07wKdXUCKolxqGuIl45OSFRpdMpBkk0SUCP72aLJJBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:02.769757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057515
observed 58af0f17b505d88ccb77291e81aae815...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:02.753206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057515/manifest.json
observed de95a5e386d5755838ef216ad3abbcc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:02.734502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057515/publication.md
observed dfb4f1905e99107570303b5e4fd8dad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:02.718543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057515/publication.txt
observed 5ee5b680852e80d0520b4cbed7ae6a79...
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.