OpenTechnical

OT-2026-000103415

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000103415) never changes.

Identity and time

Publication numberOT-2026-000103415 · never reused
Internal UUID01a0aea4-e460-79b4-93fa-f2b2ed9cb5c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103415
StatusPUBLIC

Content hashes

Canonical text13528499f27b3df9855328a8c4e5d2600c807c323f5fdb022fde1b4018052f48
Markdownf78fedeba13f2e258221937e51a214beb1a198afe212e1fbf88c70e0e33efd43
PDF
Publication page1f33f6c72317df383f3f02820a225f4318bb734edd994b2ae892fd691cee8599
Manifest1666ae9c74c55f69a68621f23173c4b8c463822d562cb04e3d57058654a9dc03

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
SignatureC/kwiMUu8uQlmdiA7aKic0PBKj9xudKzwjFB3UKR2PaPWe8gWSfI2cpTxq2vlF/BhNXWUygTjqEmoj5GBAjCCw==
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

2026-09-17T09:22:09.752521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103415
observed 1f33f6c72317df383f3f02820a225f43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:09.736331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103415/manifest.json
observed 1666ae9c74c55f69a68621f23173c4b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:09.719446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103415/publication.md
observed f78fedeba13f2e258221937e51a214be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:09.700942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103415/publication.txt
observed 13528499f27b3df9855328a8c4e5d260...
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.