OpenTechnical

OT-2026-000070624

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, vented 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-2026-000070624) never changes.

Identity and time

Publication numberOT-2026-000070624 · never reused
Internal UUID01a0ae91-8c2b-7b91-ac12-ce1c56b57075 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070624
StatusPUBLIC

Content hashes

Canonical text360bd5746712bbaf97b3f18aa22e6d972d2bd689b6c58a58360052fd258493f1
Markdown637d8105fa2a1cfba7c0ce9ef145a0100936e4b57141a5806ad86743435c8538
PDF
Publication page44ddc7688e5a2eb8fc98aaf2929a673a1776d4f2d7e37176527d2d70d80d2dd3
Manifestcadb5f718495ec509049c0300adfcee8b692114c2bf7c512f99a9f7cdb4b294a

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
SignatureQHLf2tzakXIXOTix2BiemsVZd0CUdg8iTaMEkMklxWAn65rj5W/CyHKM+nr9i4z5kSpaFhaIhdiw9DRPO19QCQ==
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

2026-09-17T10:25:17.391188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070624
observed 44ddc7688e5a2eb8fc98aaf2929a673a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:17.371758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070624/manifest.json
observed cadb5f718495ec509049c0300adfcee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:17.349343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070624/publication.md
observed 637d8105fa2a1cfba7c0ce9ef145a010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:17.328600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070624/publication.txt
observed 360bd5746712bbaf97b3f18aa22e6d97...
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.