OpenTechnical

OT-2026-000100499

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000100499) never changes.

Identity and time

Publication numberOT-2026-000100499 · never reused
Internal UUID01a0aea3-66f0-7292-aca9-0e5b18134cf4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100499
StatusPUBLIC

Content hashes

Canonical text42db4bc18b189e5065639e2cbcc5bf857eecc4bfa0413aef36094143acd682b8
Markdownf03447fa231f446ac0c13a6776bbe3a73aeb30c267fcae92c0360b64ed674cf1
PDF
Publication pageea3c812021be08cb56159f8028bc06ee56dbac264ccbc6b5a5be40da69e0d933
Manifest49a96f37b75d65cff4fd8f8129201fb061deaf8559d173d21ca576eefa6cca74

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
SignatureOl0gVmF+S3pKpXJ7Nuoo8Nd2lF3ZQQgmBk8tMXmq/OWXWNVtFMOZ1t1EpAIjdIqcoqX3dVe2v5HF1Gy8yiyaBA==
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

2026-09-17T09:27:15.779669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100499
observed ea3c812021be08cb56159f8028bc06ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:15.760351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100499/manifest.json
observed 49a96f37b75d65cff4fd8f8129201fb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:15.740638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100499/publication.md
observed f03447fa231f446ac0c13a6776bbe3a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:15.723448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100499/publication.txt
observed 42db4bc18b189e5065639e2cbcc5bf85...
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.