OpenTechnical

OT-2026-000068898

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000068898) never changes.

Identity and time

Publication numberOT-2026-000068898 · never reused
Internal UUID01a0ae90-6dcc-7406-8593-a0300bc06e2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068898
StatusPUBLIC

Content hashes

Canonical text187bd7088abc7de54c09ece8c35ba02fffb6767a86327abb871ccd8040e303a4
Markdownd549842b61bf39e17cf9e1d2467c664791d2dffcd3964de91aaf003e6c48d249
PDF
Publication page0cd8143d31a294bdd31bd944aa77b67975b151710e634c219fd6219903fcb0f5
Manifest69f780aefb792315838d71e9bfa9c5cb6d310a9c555b22636edcb464e57b7080

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
SignatureLKM2VwyMJys1j3WGEVyI9N8J/8SYPTLEk87dpdGLx/MqqvLW4H2PNMKIz5X5+1X4drAoy7kfNU7yh70WDy9mBg==
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

2026-09-17T10:28:43.165444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068898
observed 0cd8143d31a294bdd31bd944aa77b679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.148170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068898/manifest.json
observed 69f780aefb792315838d71e9bfa9c5cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.130054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068898/publication.md
observed d549842b61bf39e17cf9e1d2467c6647...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.111646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068898/publication.txt
observed 187bd7088abc7de54c09ece8c35ba02f...
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.