OpenTechnical

OT-2026-000026872

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, sustained blow-off 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-2026-000026872) never changes.

Identity and time

Publication numberOT-2026-000026872 · never reused
Internal UUID01a0ae72-3452-7e96-856a-6747673e56ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026872
StatusPUBLIC

Content hashes

Canonical text25d4884e8a603d5bd6a5ec6243e1ea6ea1491361866314d2479f7214c99a21e3
Markdown3a4bbdab9e2e3e9ddc942763e05c0be836d0c3ccde31fdb15bb98fbe12742092
PDF
Publication page0f083a712eccba7077bddc8c47c60b6e7048b42d67a28f05925d9a771f03db0c
Manifesta38b87e2145f9f22091b04d5b254133e9cb5770e1a3d222d992e1ccf489ec09f

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
Signaturea17rW3yV9Qx4VnpYzWjwz0a2+/r3qoEJLT02a0mIFoIVWCoYKS2i1wH2jhfObiECuXiCseWirwqNoBtLh9UQAw==
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

2026-09-17T11:43:28.566652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026872
observed 0f083a712eccba7077bddc8c47c60b6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:28.551252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026872/manifest.json
observed a38b87e2145f9f22091b04d5b254133e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:28.534478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026872/publication.md
observed 3a4bbdab9e2e3e9ddc942763e05c0be8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:28.518447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026872/publication.txt
observed 25d4884e8a603d5bd6a5ec6243e1ea6e...
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.