OpenTechnical

OT-2026-000091793

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091793) never changes.

Identity and time

Publication numberOT-2026-000091793 · never reused
Internal UUID01a0ae9d-43ba-7af3-a1e9-9f8e69ce77f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091793
StatusPUBLIC

Content hashes

Canonical text1cd2158a3edf0110e74f65d41f5e978d7c7dd8c0328100f6ccb16cc2c9cc9c1a
Markdownea3c62a70823e98bd12febb5f8dc640b16ced19a63ea355266d291479d71ffb1
PDF
Publication pageba7c185d6556ad3f71ee668b01a95a1c73b1841e7bac2efe037e9c63c69700f3
Manifestc40ea99e9900e609cee14a72e178ceff69a96b622138d57628625edc6da0473a

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
SignatureE1Z6t/3QF3Rcjb+rbX3CAKLugy8epm8j9ZbKMPuw9uhN2toOeSJi3eqknf96MOnXD2MWO5BHLa2eFvOIu4EhCw==
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

2026-09-17T09:42:41.548165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091793
observed ba7c185d6556ad3f71ee668b01a95a1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:41.531603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091793/manifest.json
observed c40ea99e9900e609cee14a72e178ceff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:41.514961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091793/publication.md
observed ea3c62a70823e98bd12febb5f8dc640b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:41.498483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091793/publication.txt
observed 1cd2158a3edf0110e74f65d41f5e978d...
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.