OpenTechnical

OT-2026-000044596

Publication integrity record

Single bellows cup vacuum gripper, three 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-2026-000044596) never changes.

Identity and time

Publication numberOT-2026-000044596 · never reused
Internal UUID01a0ae7c-39d9-7471-be69-6f841643cb33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044596
StatusPUBLIC

Content hashes

Canonical textf4f0ad61b4c724eca60fb7a186f488ee6b92063b8037cbb924f239b44b5aacdf
Markdown32c31d27438ef34ef5f6754c1ab2803ac46ce25f4c06591eb3744ca777cd9951
PDF
Publication pagec31c357be5cf184141c522940f44cad03849ae96fe64e084953cdced3091f89d
Manifestdd6cd1b83e51abaee382e00fbc44c5449c7dad06bc7c9861974646634929530b

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
SignatureE4ntgHnGerkySUWEHo9oY7r0QzyX1T/Q/XsnKXLr2zwoJj9MRSuHCrjc7r2YSeyC8a2bX+tW7Bnr9K4jrjDDDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:11:49.352524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044596
observed c31c357be5cf184141c522940f44cad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:49.332642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044596/manifest.json
observed dd6cd1b83e51abaee382e00fbc44c544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:49.312326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044596/publication.md
observed 32c31d27438ef34ef5f6754c1ab2803a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:49.293562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044596/publication.txt
observed f4f0ad61b4c724eca60fb7a186f488ee...
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.