OpenTechnical

OT-2026-000007467

Publication integrity record

Porous face vacuum gripper, per zone isolation, three outlet manifold, pump fed, open cell

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-2026-000007467) never changes.

Identity and time

Publication numberOT-2026-000007467 · never reused
Internal UUID01a0a97f-e350-7c69-a9f4-32acfae56f2c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:15:25.907826Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007467
StatusPUBLIC

Content hashes

Canonical text33cd33f6cdeef3fed1aa987a018c00ca2a7e101ca8fea65747aff8012c952484
Markdownc0682611732c2bf7e90ebc07ee324cc3695b88edc354fcbb8db5ad3e6c1e77ce
PDF
Publication page88aa27f31673655e4e2bc8c8b77781a700452a205403eda77fe52e5e9f12143f
Manifestfe59c51505e458405b18133171c93cf00e61ea01a070f0016e227ae30b3c1a3f

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
Signature8Uai3SxDI/I2d1OhAKiboatPnKmcKs4z6nES5Y7aWQtofMXIAwd2AteP1fz3yDl82eIi/Dv4/XiClFHW7QPTDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:03.774876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007467
observed 88aa27f31673655e4e2bc8c8b77781a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.763616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007467/manifest.json
observed fe59c51505e458405b18133171c93cf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.751899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007467/publication.md
observed c0682611732c2bf7e90ebc07ee324cc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.739307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007467/publication.txt
observed 33cd33f6cdeef3fed1aa987a018c00ca...
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.