OpenTechnical

OT-2026-000102235

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000102235) never changes.

Identity and time

Publication numberOT-2026-000102235 · never reused
Internal UUID01a0aea4-50f3-7bb4-8f5d-a9a819b4d2ae · 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-2026-000102235
StatusPUBLIC

Content hashes

Canonical texte0fe18ee471e93384c47ac72da4acb0132f3fe6bc483dee6a9d39f319624c37a
Markdowne7446d83ea4f61db2d9eb072ff8178b28b66e99fc3fc449d9065cf13fba04231
PDF
Publication paged4915e8323518f2f1d9d8e3e017cd9b01f8326b7cdd07ca2af5ea60e94182a6b
Manifest0ceea64a39f7b46ebc904e41a45a4f0942dc91addcda57780f311f2f59149324

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
SignatureRRfM7jYafs0f0eDzkVlEKk+0Dg5S3yHlhxpiAxZwkCCzqBy4Gb7K9eHdXHBPea8wre3WXNJ6wXY65NazSrSDBA==
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

2026-09-17T09:25:24.912789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102235
observed d4915e8323518f2f1d9d8e3e017cd9b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:24.896695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102235/manifest.json
observed 0ceea64a39f7b46ebc904e41a45a4f09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:24.879977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102235/publication.md
observed e7446d83ea4f61db2d9eb072ff8178b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:24.862323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102235/publication.txt
observed e0fe18ee471e93384c47ac72da4acb01...
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.