OpenTechnical

OT-2026-000104122

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000104122) never changes.

Identity and time

Publication numberOT-2026-000104122 · never reused
Internal UUID01a0aea5-341f-73eb-b7b2-3a3b574129a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104122
StatusPUBLIC

Content hashes

Canonical text07ec98fb308a4bb069c85ec59dd2dafeff3ffa37676221419bc9be1029296a30
Markdown8fda21f7c2a0ac5ef91380f54e90c6c7ebad00af1a1b3b6ca092d40076d1f19c
PDF
Publication page44eb2bdaea19776fe65999cef5abf1a3fe726b388a95a833af6a78a5140caa02
Manifestb17af4b06c7207c8613efd9516cda480a6124d368ea0cd4c6c8e78868c3f780b

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
SignaturebsuJzyN1TuDZcx1Ykx4BSfSSe8B6wa+UcS7xM8O3RGTzOYYP2gXHAvFT77hOzcP4L37LetVmlje44Iv6I2CVCA==
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

2026-09-17T09:20:12.028799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104122
observed 44eb2bdaea19776fe65999cef5abf1a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:12.012714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104122/manifest.json
observed b17af4b06c7207c8613efd9516cda480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.994813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104122/publication.md
observed 8fda21f7c2a0ac5ef91380f54e90c6c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.977156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104122/publication.txt
observed 07ec98fb308a4bb069c85ec59dd2dafe...
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.