OpenTechnical

OT-2026-000103525

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000103525) never changes.

Identity and time

Publication numberOT-2026-000103525 · never reused
Internal UUID01a0aea4-e461-7cdb-b52f-4e98572a2add · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103525
StatusPUBLIC

Content hashes

Canonical texte40b29b99dc6572c448443132bbc334ef58c702c21c4f00cf56162e1d68ee23a
Markdowne5561e353dc0bc6ab7fac44cb307d7f0d27eff1672a057d950d645118121b6c1
PDF
Publication page44ffa67aee8b36e358014a936b2d0536a27239e6fe8e01fd3ec9ed2dc546d0ae
Manifestbd3bada1651e3816870c566b972bf993d20aed247f3f855f6498541b40da93c2

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
SignatureCxy3bokU5Ri9o3L6pGKGuce4m1SYsXADU2uUN+Rp2GWdgokvee/ke2kq4/mddZ/GhnwntUrK5+sJ2326d+o5BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:17.877039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103525
observed 44ffa67aee8b36e358014a936b2d0536...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:17.861084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103525/manifest.json
observed bd3bada1651e3816870c566b972bf993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:17.843615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103525/publication.md
observed e5561e353dc0bc6ab7fac44cb307d7f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:17.827372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103525/publication.txt
observed e40b29b99dc6572c448443132bbc334e...
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.