OpenTechnical

OT-2026-000103937

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000103937) never changes.

Identity and time

Publication numberOT-2026-000103937 · never reused
Internal UUID01a0aea5-15e7-7c96-a4ea-25c7850c9b1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103937
StatusPUBLIC

Content hashes

Canonical textf00f534c90135d5bfb469a3c2709fe966c592dbbe96d44c29e19c4b59f390720
Markdownf10de8b80664c3666f0b4d6548231eab169a4aa75615b8ccaa7ddd1791033ffb
PDF
Publication page94cd4a0737412e1cf86aaafd007773fdf5fa3dc3547efcbd1f3605c5fd245c0c
Manifest8bfc1e69ddbf84d3898a78d24974fa05d3a4adde6b41894536cef2e19fcf7966

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
SignatureoQ2QVAclTgteBomsNDJaudGtTA2sfWvjOcCHdKbWrWk+kEMob7ZX7J8jgCdNjlbE4/kevAKJZeUUtPGYyL7YBw==
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

2026-09-17T09:21:56.173313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103937
observed 94cd4a0737412e1cf86aaafd007773fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:56.157110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103937/manifest.json
observed 8bfc1e69ddbf84d3898a78d24974fa05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:56.140110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103937/publication.md
observed f10de8b80664c3666f0b4d6548231eab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:56.123911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103937/publication.txt
observed f00f534c90135d5bfb469a3c2709fe96...
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.