OpenTechnical

OT-2026-000089975

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000089975) never changes.

Identity and time

Publication numberOT-2026-000089975 · never reused
Internal UUID01a0ae9c-428e-7c44-8da4-fb3ea8c389bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089975
StatusPUBLIC

Content hashes

Canonical text5e3c6fa4b28a4d298d0fcfbe12c15a0644ac6c5a76b3c743c1ccff7c3a8210c0
Markdown4ba0858ef5b3b10885694f2cb3ec9f4a518fd369fd24dd72a7c2d3e8c6863000
PDF
Publication page10fea0bc1ae53349f2a340c7a6bbfc54f7eac873a68c32697404ba1e67c68a58
Manifest888f9fd713b0133c5446ffd76b263840fce184e4f7db26981c65494e67c1f336

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
SignaturexgbTBzCXvUK5QH61EQX5nEbz61qtGb/yeTwToImE65jAmK6ERbYbeWTDn/+M3b4Ti+QPjemR6v5B4EUsOF0LDw==
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

2026-09-17T09:45:21.787299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089975
observed 10fea0bc1ae53349f2a340c7a6bbfc54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:21.769441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089975/manifest.json
observed 888f9fd713b0133c5446ffd76b263840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:21.752043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089975/publication.md
observed 4ba0858ef5b3b10885694f2cb3ec9f4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:21.707638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089975/publication.txt
observed 5e3c6fa4b28a4d298d0fcfbe12c15a06...
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.