OpenTechnical

OT-2026-000084773

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000084773) never changes.

Identity and time

Publication numberOT-2026-000084773 · never reused
Internal UUID01a0ae99-43b3-7d1d-8b02-8a55247732c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084773
StatusPUBLIC

Content hashes

Canonical text7c03781f411b0a9bb8acf587e1194e533a2a1f4029d6ac81738ddbb26c40dfcd
Markdowna81e74583b62d147065466135db4dbd49f28fb6786f70f5894ae373849423247
PDF
Publication page9170f964c6abc87137751d3e16160221617cebacecf54d973ce036cb52e06953
Manifest6d7ea91fb5de57c75be42bf548cd1c4be2f843cdff4cf0d9089ee75c1554c068

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
SignatureVBPav2sGK+v2l4vlfdcTYc1tyAIx3i7MY4mq7ecJzYvyQ9LR7hXVhnIWUbUgXBiHGV6rzpR1Y997gv9vQZF7DA==
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

2026-09-17T09:54:42.384255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084773
observed 9170f964c6abc87137751d3e16160221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:42.366781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084773/manifest.json
observed 6d7ea91fb5de57c75be42bf548cd1c4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:42.349007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084773/publication.md
observed a81e74583b62d147065466135db4dbd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:42.327214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084773/publication.txt
observed 7c03781f411b0a9bb8acf587e1194e53...
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.