OpenTechnical

OT-2026-000026709

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000026709) never changes.

Identity and time

Publication numberOT-2026-000026709 · never reused
Internal UUID01a0ae71-f4ab-7068-a65f-c9bcb0721dd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026709
StatusPUBLIC

Content hashes

Canonical text99d4e6727d2d5b8ba45635b5f11f1443f1d49c2ef3c1e17767efda3b3f224cd2
Markdown6192606d92aa5aefbd395126cc8ba69fa05d5302d82b44bcc919ea1bc84f8758
PDF
Publication pagef98ac873bc88f1280b21d61028b379f1684aea0a7c8e73e8ae6f7ed2774376a6
Manifest1cb533a7ac854637d567cbda5c9c66d6e7e8b060a29155cc10eaade8378f59bc

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
Signatureyb9jLzKTW4cTWoWrAZrv7fmeV9VP1AL/PYmsOSWVTFMh03RCC8wjpBIY2urwe+4+jWgHh+I0M/4IRCgTISkJCw==
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

2026-09-17T11:45:48.245039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026709
observed f98ac873bc88f1280b21d61028b379f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:48.224805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026709/manifest.json
observed 1cb533a7ac854637d567cbda5c9c66d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:48.205412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026709/publication.md
observed 6192606d92aa5aefbd395126cc8ba69f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:48.186109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026709/publication.txt
observed 99d4e6727d2d5b8ba45635b5f11f1443...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent