OpenTechnical

OT-2026-000008990

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, vented 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-2026-000008990) never changes.

Identity and time

Publication numberOT-2026-000008990 · never reused
Internal UUID01a0ae6b-31b8-7d2c-bf7f-94d376eba2f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008990
StatusPUBLIC

Content hashes

Canonical textda825d8d6d438aa758a6b7692bf3e0bf0a556bb733dca866589dc84fd2278ea5
Markdown68039a4a6854461c82ca4ec21b27ff5dd9f8ba562213a6c2ee2b6f22d7df15cc
PDF
Publication page44dfdbe8af7cbfd85b9c18194791e3c2c237856234079a742ba9975ab20037c0
Manifest38f11fec88acaa4aed9be43d2ac029686b0cd0cc97a2d445b0aab9536da5ff08

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
Signaturese0RNYr1256lQY6Camp0LKyxTD++LW/ZtGVpkDhaAEPG5aSTU2IKu4U7MjHbF3T0DjRSGupMFY8Xh+YixPDiDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:37.127634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008990
observed 44dfdbe8af7cbfd85b9c18194791e3c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:37.108120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008990/manifest.json
observed 38f11fec88acaa4aed9be43d2ac02968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:37.086821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008990/publication.md
observed 68039a4a6854461c82ca4ec21b27ff5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:37.065485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008990/publication.txt
observed da825d8d6d438aa758a6b7692bf3e0bf...
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.