OpenTechnical

OT-2026-000068812

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000068812) never changes.

Identity and time

Publication numberOT-2026-000068812 · never reused
Internal UUID01a0ae90-6dcb-7ea2-9ddb-b8591de6ddb5 · 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-2026-000068812
StatusPUBLIC

Content hashes

Canonical text739cff11b952020f3e27e357ba03276a31c9577754d458ea587ffc4462bff1c4
Markdown735f9ce2d8b5d1e67a19dcf4d5850b4dfcb4e73a9d579acc6db717563c0649af
PDF
Publication pagefcfc424e21d3401024a5f93e00d5cc4e21db69be22be33d8a1936ca1bbeaaca7
Manifestd5b5739492901bb3003de94ceef0f709bf73662ccf2265f8788ec02f887472cf

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
Signature7RUVmzFJyKMBVI6w33zacTJJvwTGxSrZtsdmCgYQYib0JC3hpIAvX2Kbz5bSP8kiPU95IZ/ogNvT6NHF2hAnCQ==
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

2026-09-17T10:28:36.834205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068812
observed fcfc424e21d3401024a5f93e00d5cc4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.817415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068812/manifest.json
observed d5b5739492901bb3003de94ceef0f709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.800507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068812/publication.md
observed 735f9ce2d8b5d1e67a19dcf4d5850b4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.784403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068812/publication.txt
observed 739cff11b952020f3e27e357ba03276a...
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.