OpenTechnical

OT-2026-000102871

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000102871) never changes.

Identity and time

Publication numberOT-2026-000102871 · never reused
Internal UUID01a0aea4-be3c-755b-b1d0-c0510d5f41a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102871
StatusPUBLIC

Content hashes

Canonical textc86b0f329b40b4169e017df95bbf51538fdc4e549fc23f1ee91ddd8f25a24eac
Markdownc77588ab77b971a2609a6bbc1fb80ccdb3970727ad7e01a623fd2f27db5bf331
PDF
Publication page7d4ea937a52bbbea6a81d7188f33ffacfffd93d114b9c191c492bf8199bdda51
Manifest00fc7036c3fc4bfe39ea291bab70944b02d7b2a53a6b4146789bfe78f7f49f69

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
Signature4KVsqQXaxbwzAKOLkxAE7LwrFCpsw+PJ015+GdMuhYfyZgXk766ctdj0n5u9dDP8zf1BIp+AmT+FgFpmibXADg==
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

2026-09-17T09:22:52.669329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102871
observed 7d4ea937a52bbbea6a81d7188f33ffac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:52.654091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102871/manifest.json
observed 00fc7036c3fc4bfe39ea291bab70944b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:52.637967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102871/publication.md
observed c77588ab77b971a2609a6bbc1fb80ccd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:52.622324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102871/publication.txt
observed c86b0f329b40b4169e017df95bbf5153...
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.