OpenTechnical

OT-2026-000005613

Publication integrity record

Bellows cup vacuum gripper, three zone face, three stage ejector, vented after set down

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-2026-000005613) never changes.

Identity and time

Publication numberOT-2026-000005613 · never reused
Internal UUID01a0a93f-053b-762d-94d6-52a6e8a64942 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:04:34.749217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005613
StatusPUBLIC

Content hashes

Canonical text263e93677542f15a1cf284441f1d7e6c5c8bd490756656a7f923a2a07ba4c32a
Markdown42bba1c8abd92793d386d78dabfdeb5c8ab9348e4f84256d1d47371ea59d1ced
PDF
Publication pagea1fb8a665b8f7274c7c8212ac61b0e2d89a32ad6ecb60b7fc50e48a783eaae58
Manifestb6b14f10e1448fa19cddd96fd6b5734d1c33ea633245d486c74d76526755ea8b

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
SignatureDctK3NM6q2WJKWgNnjSv3WSGiasIiwa1/rS0cVUvGjTptSHnjR8PisILA7IU3R4Wgzj0quXpQjisXFo/TQm1DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:20.706740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005613
observed a1fb8a665b8f7274c7c8212ac61b0e2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:20.694633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005613/manifest.json
observed b6b14f10e1448fa19cddd96fd6b5734d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:20.679675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005613/publication.md
observed 42bba1c8abd92793d386d78dabfdeb5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:20.665818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005613/publication.txt
observed 263e93677542f15a1cf284441f1d7e6c...
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.