OpenTechnical

OT-2026-000008155

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, sustained blow-off 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-2026-000008155) never changes.

Identity and time

Publication numberOT-2026-000008155 · never reused
Internal UUID01a0ae6a-908c-78d5-b5f9-fc2ef216083c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008155
StatusPUBLIC

Content hashes

Canonical text3859007028017f357ded36ea8907d27f96455af384424ee5fb81af5148c48cd2
Markdown4e0773d7de8dfd7efdba4921c2abf10312b219d550bc69fc6f99eeac205b0b4c
PDF
Publication page7374bff62ea0845d4b533b4898c64a5288ae8d4d2edf70e28954e8336ab72e01
Manifest95bd32a9ddf2e29dc0d55d26d93e540884ad1ec639cfe87765747045ff8afb6f

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
SignatureO99KFjr9l7tZq31uTL9rxoaX0Dk1VgxLb5ecOwdS6Bo27PF48q8IMFmO3KpKbEnb2l9aaQEvM1DebgVcBQEiBw==
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

2026-09-17T12:20:30.819670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008155
observed 7374bff62ea0845d4b533b4898c64a52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:30.799044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008155/manifest.json
observed 95bd32a9ddf2e29dc0d55d26d93e5408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:30.777395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008155/publication.md
observed 4e0773d7de8dfd7efdba4921c2abf103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:30.757360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008155/publication.txt
observed 3859007028017f357ded36ea8907d27f...
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.