OpenTechnical

OT-2026-000089179

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000089179) never changes.

Identity and time

Publication numberOT-2026-000089179 · never reused
Internal UUID01a0ae9b-db00-7695-9fbe-2af0e2b66d34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089179
StatusPUBLIC

Content hashes

Canonical text164ee4f1cbde4846898fe237be45e87dc0993aa0b282b4f53db8df488ddeb7ff
Markdown4533d081a037021a1cac0876a3118b53a6d00fbb35ae24dbc1fbcc63816e6fde
PDF
Publication page5f898714d60e9d75e94671f79bbe33d05a4844e13e20ed53493ba91094ce5a0c
Manifest59774ac23756849b51c51761c9cc5e47435b77c513ed5f3a476b44ce7cb637d6

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
SignaturejpNZWawc7ZnlLQ3VLYjiFE4NSfUxlclqzT2jYpZ4EsQVdNoJjPV0/6JIAevtKKiHVtaZ1ToMChDrKpvSnE5XAA==
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

2026-09-17T09:47:11.532607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089179
observed 5f898714d60e9d75e94671f79bbe33d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.514041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089179/manifest.json
observed 59774ac23756849b51c51761c9cc5e47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.496971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089179/publication.md
observed 4533d081a037021a1cac0876a3118b53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.479316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089179/publication.txt
observed 164ee4f1cbde4846898fe237be45e87d...
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.