OpenTechnical

OT-2026-000081098

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000081098) never changes.

Identity and time

Publication numberOT-2026-000081098 · never reused
Internal UUID01a0ae96-b977-7e36-88a2-388fd139f0b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081098
StatusPUBLIC

Content hashes

Canonical textbaf131257bcf3769f54c2e26921b5b4482fc8ebeecb025e8050c75772a23ec91
Markdown6e667589b7b5167e9fbb0e54a96a8e3a798f69791d649965c6df1a3609408ee5
PDF
Publication pagebe839f44bd52dd5c29b14c4425d73a2671359299675c2bd04f462db2bfac3042
Manifest27ba8b94d930856a1f2a2f286e8d2e7d642040cb8222a056cb1c6689351bd3c9

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
Signature4pIXOLOnnOXOkypzxrxr+s5a8ZreT8R7FHlF8MawpOj7jWUHLEux8oiasH3jJFhy0JDhXZYOSI1kvQGJ+IMtDQ==
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

2026-09-17T10:02:24.229042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081098
observed be839f44bd52dd5c29b14c4425d73a26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:24.210277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081098/manifest.json
observed 27ba8b94d930856a1f2a2f286e8d2e7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:24.194373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081098/publication.md
observed 6e667589b7b5167e9fbb0e54a96a8e3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:24.178100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081098/publication.txt
observed baf131257bcf3769f54c2e26921b5b44...
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.