OpenTechnical

OT-2026-000102378

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, 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-2026-000102378) never changes.

Identity and time

Publication numberOT-2026-000102378 · never reused
Internal UUID01a0aea4-8589-7599-acfa-d7d7bce0d234 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102378
StatusPUBLIC

Content hashes

Canonical textf036443fd5136f44ddec59fa44113f66f30caf22dfd2bcd12236ea54536b325f
Markdown80d1e7df8ec6538ca348d0f5067b1aa92bb56753bfb8bccf80229c0804950658
PDF
Publication page1f4819765567e5ecbab30d9ef982f8a028f42d60610daf1f1564aeb1d2c223a6
Manifest959ba52948607be23c913aad3a78cf09a9e0ad9116a33a4c0eb7f98a78b5181d

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
SignaturetSFRRdZSm9m9YToalXR5PaBvt99Mi20n+hEY7OGjjBOl/yCby2hZA2OhxeUHXx+tD2FZEVJ2g7KYV8BXN50qCg==
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

2026-09-17T09:23:43.020656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102378
observed 1f4819765567e5ecbab30d9ef982f8a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:43.003430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102378/manifest.json
observed 959ba52948607be23c913aad3a78cf09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:42.984830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102378/publication.md
observed 80d1e7df8ec6538ca348d0f5067b1aa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:42.968577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102378/publication.txt
observed f036443fd5136f44ddec59fa44113f66...
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.