OpenTechnical

OT-2026-000070203

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, pulsed 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-2026-000070203) never changes.

Identity and time

Publication numberOT-2026-000070203 · never reused
Internal UUID01a0ae91-1862-70ee-b650-a19e0ca7b401 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070203
StatusPUBLIC

Content hashes

Canonical text820206a5e058dfe42a31c85039c795cf9f3ef5925f3e2df6d03a833be239d5bb
Markdown5ed04c6049d8a5c97f1f1e0d76f914c6768fa8b00da03aa0252abf669e6f69b2
PDF
Publication page3da45281ef7defac4532659e9ed3417db1ef44f7a9c357d9ccb7951ad6b3632b
Manifest3b33cd4eee8b204eca326cddbc99a7c0bd6e93532b4f6dc930ceec6ea8573b2f

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
SignatureZV/HBfIrEKUoIrsXL5IQTA4DMwi85P4D/aYmSkEWwR/lvnWTLNA0LJ1hjMomYC/9G3pkkqPEjASQQT7rsH/DCw==
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

2026-09-17T10:27:15.564855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070203
observed 3da45281ef7defac4532659e9ed3417d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:15.545925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070203/manifest.json
observed 3b33cd4eee8b204eca326cddbc99a7c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:15.528770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070203/publication.md
observed 5ed04c6049d8a5c97f1f1e0d76f914c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:15.510962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070203/publication.txt
observed 820206a5e058dfe42a31c85039c795cf...
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.