OpenTechnical

OT-2026-000103501

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000103501) never changes.

Identity and time

Publication numberOT-2026-000103501 · never reused
Internal UUID01a0aea4-e461-70fc-9b74-680ddb9d0b75 · 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-2026-000103501
StatusPUBLIC

Content hashes

Canonical text934fd52919625d8651e6a8b97ecf6693253ec4a9b2526ba7ec1bf2febe70d6ab
Markdown59bccf1b6edc03d1831ab720edfe47ad4cd0d9fa8a58b97e572878dd2c753e10
PDF
Publication pageaebbcb3e6898467707c03468dae9ea58096769b1f48281a02b76df4bc6f4d7b8
Manifestf72193af4d30042a6ff772b772714e1553d594368b9c50fdab6c08c1d7b34e03

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
Signatureu6DY1hniYulrEb0A/stb+0X/zxlFkyZjGzuJ/hlDvKmdIDoyfUdJlsWYXpeo4TuCCqnoZNCbqZFeRaEHxRLqAw==
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

2026-09-17T09:22:16.068856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103501
observed aebbcb3e6898467707c03468dae9ea58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:16.050573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103501/manifest.json
observed f72193af4d30042a6ff772b772714e15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:16.032093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103501/publication.md
observed 59bccf1b6edc03d1831ab720edfe47ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:16.014971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103501/publication.txt
observed 934fd52919625d8651e6a8b97ecf6693...
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.