OpenTechnical

OT-2026-000073905

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold 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-2026-000073905) never changes.

Identity and time

Publication numberOT-2026-000073905 · never reused
Internal UUID01a0ae93-2b8e-7f5a-ac5e-765a9f52ad9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073905
StatusPUBLIC

Content hashes

Canonical text0b4bd6794ea7464c841b9789ba05df06fabd23b6b1dbeb48169efc1438ed7e27
Markdown10ace12e1629aa66ca13010f6cdcfbb13153399cfef6312f512a55c2b50372c2
PDF
Publication page5ab830db566b5097abdedd51ccd3b68e753d0234e16cf697bef621619027ae03
Manifest9f7c00367f7dd8da237f4663acb95bf78ca48c010e09f84787e65e483e30c8a1

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
SignatureXzobu+rfyIdtDgjTEMXrDp01HkI4usIujLRD3MXpnThTxe84s1oRwoYOikC892hvP664o5hnslwhkcRyBEpxCw==
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

2026-09-17T10:20:03.820553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073905
observed 5ab830db566b5097abdedd51ccd3b68e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.802998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073905/manifest.json
observed 9f7c00367f7dd8da237f4663acb95bf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.783030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073905/publication.md
observed 10ace12e1629aa66ca13010f6cdcfbb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.742027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073905/publication.txt
observed 0b4bd6794ea7464c841b9789ba05df06...
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.