OpenTechnical

OT-2026-000016804

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, 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-2026-000016804) never changes.

Identity and time

Publication numberOT-2026-000016804 · never reused
Internal UUID01a0ae6e-5919-7ede-90dc-5ffc06a35d12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016804
StatusPUBLIC

Content hashes

Canonical text6f6a9e04c5901c7aadf9e5797cb22022986e8f1cd77dd0b97b0e7f88aca05a49
Markdown461f3e1f0b0a9028cb7a5fc02133c443c985a026714c2a7a455b770bc2c82e32
PDF
Publication pagecc2ff0c75d0173996e32deb3f19aa5b3479c5353657cad5bb1fb6480a36718c0
Manifest6e3afc74dc646de02392300ac250f7605158600be32d02fa6047b3f703c8db15

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
SignatureOVH6t/WD9UIPQ5mlZf3MgDbZp/QRfao43OMPaGwnP5Z/+/wCv8DD0yq+3mqYK2P7Vs+i48Uj8FRWtlRZVD2PDQ==
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

2026-09-17T12:03:03.414305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016804
observed cc2ff0c75d0173996e32deb3f19aa5b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:03.396660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016804/manifest.json
observed 6e3afc74dc646de02392300ac250f760...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:03.295049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016804/publication.md
observed 461f3e1f0b0a9028cb7a5fc02133c443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:03.250491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016804/publication.txt
observed 6f6a9e04c5901c7aadf9e5797cb22022...
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.