OpenTechnical

OT-2026-000043676

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single 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-2026-000043676) never changes.

Identity and time

Publication numberOT-2026-000043676 · never reused
Internal UUID01a0ae7b-92d0-75d9-ada9-ea5fda4c8740 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043676
StatusPUBLIC

Content hashes

Canonical textb19156b157c103e817f14e8d2788d5fe04ad5b65e2495cbceecaa1c3c62f5c9f
Markdown65fc33d18793479c8ea48fc63d9b9d8c7e10e7ba30c0bf0bb6446a94ba240d12
PDF
Publication page8bf05fc3d9b8ad355af786c245cae80b1b77ba8329e40a98ffbb046d5f03600b
Manifestbe413d267e7ddcc1e9697ebb52c0f13e47fe26ba6af2eea9f0fd56a982f2ec0a

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
Signatureon5vdJtTr9gDvxC57zcRLm4tfmq53E/azPSViBoYfI1p8NdmNXjOCyKlo3swXhhZjaptpXhSdXSzzjJsxN3gCg==
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

2026-09-17T11:13:09.921788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043676
observed 8bf05fc3d9b8ad355af786c245cae80b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:09.903459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043676/manifest.json
observed be413d267e7ddcc1e9697ebb52c0f13e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:09.883816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043676/publication.md
observed 65fc33d18793479c8ea48fc63d9b9d8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:09.865914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043676/publication.txt
observed b19156b157c103e817f14e8d2788d5fe...
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.