OpenTechnical

OT-2026-000072821

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000072821) never changes.

Identity and time

Publication numberOT-2026-000072821 · never reused
Internal UUID01a0ae92-89da-79fb-96a3-e3d7535372a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072821
StatusPUBLIC

Content hashes

Canonical textc48264389c2519819a05bf11afcc822c14e919669ca8934f0a04cf4f34fc8002
Markdown5bb8dc141f6e7321f78b228eac4441ec7dce0a476314f1430118facd7886e717
PDF
Publication page6b31771c34411e4b46eaa22cca415c5f72ec21180f80c298428598b95c8a366b
Manifestf87b06f9377026064ecb52bf61be81e1583a3f0f059489d71e4b30301b82975b

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
Signature7Er24G12uPxO8mmouG7u0FABOXfKDv8tGONhoETgySYmtdXTsP0WDhnM71FV3Wu+mAg7ErB0cdCbuexS8u4mDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:44.404208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072821
observed 6b31771c34411e4b46eaa22cca415c5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:44.386146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072821/manifest.json
observed f87b06f9377026064ecb52bf61be81e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:44.367738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072821/publication.md
observed 5bb8dc141f6e7321f78b228eac4441ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:44.350766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072821/publication.txt
observed c48264389c2519819a05bf11afcc822c...
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.