OpenTechnical

OT-2026-000064479

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, 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-2026-000064479) never changes.

Identity and time

Publication numberOT-2026-000064479 · never reused
Internal UUID01a0ae8d-a461-7fba-a55e-e57feb4dda18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064479
StatusPUBLIC

Content hashes

Canonical text2ab48139141f07b7b1420a6fd6578a04cc5092b12f0b7172ba496740a6daab3a
Markdown91b964ca794918e1dcc4fbb7f4c7953ff4debd1622ae80064cef3f4429dca148
PDF
Publication page8ad187522048925647e04e73c12269fe8ae2fb9b0e5022ec591c148d4272aeb4
Manifest101944effa9b931214ec2c33a7c0350a4746d1c1299a1765ba5e95bbe300f4df

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
SignatureasbDfAPE4UhDSszlVj/2X4C2Dteq2+pYdnsci28p6AHiRScilOfp7uvnEJgqbr5mIb+unzpwxB6X2GwcsrcUDQ==
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

2026-09-17T10:36:40.422211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064479
observed 8ad187522048925647e04e73c12269fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:40.403594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064479/manifest.json
observed 101944effa9b931214ec2c33a7c0350a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:40.384942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064479/publication.md
observed 91b964ca794918e1dcc4fbb7f4c7953f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:40.365765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064479/publication.txt
observed 2ab48139141f07b7b1420a6fd6578a04...
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.