OpenTechnical

OT-2026-000101985

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pulsed 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-2026-000101985) never changes.

Identity and time

Publication numberOT-2026-000101985 · never reused
Internal UUID01a0aea4-50f1-7d96-a770-cc30f2b66578 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101985
StatusPUBLIC

Content hashes

Canonical text7f84c5d38efa7dd90acac0171065e95f2e808d7e823047a90b6d4c154c6efda9
Markdown862ee800b4c90f79050739a526b8fec70a5014792b7506043779a66248951fa9
PDF
Publication page84e03d7eaaaa60a599b0e20b0d95606ff260507185e17b11820c1daf0afa6204
Manifest25ccfca3e4e29f3c75ec399014421823a52775938ce4528e36b8bf9238c3d25e

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
SignatureVS4TZHEO0o7IBNN4kVrULiPOtjjhcYvYm8IKnAi6Beb9xcEGtJvrVWAQRaJpIAchl8OEOKcvy4gsSPZUxmPJBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:24.949174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101985
observed 84e03d7eaaaa60a599b0e20b0d95606f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:24.931538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101985/manifest.json
observed 25ccfca3e4e29f3c75ec399014421823...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:24.913791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101985/publication.md
observed 862ee800b4c90f79050739a526b8fec7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:24.895819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101985/publication.txt
observed 7f84c5d38efa7dd90acac0171065e95f...
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.