OpenTechnical

OT-2026-000070671

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, supply line pressure sensor, pulsed 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-2026-000070671) never changes.

Identity and time

Publication numberOT-2026-000070671 · never reused
Internal UUID01a0ae91-8c2c-7b0b-ad9a-194c846923c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070671
StatusPUBLIC

Content hashes

Canonical text2c152953978fcf3347d7fd04c7dd5b9c2fdd730ec8fa7aea22df9892dd815818
Markdown9bf88eacce7f9ab6403b9c8c52a749eaac2096ef84115929adcb4682a02c57a9
PDF
Publication page0ee869d1379bf3fe9566a6c6adae801ec36fbdbe7398970614ed1bfd10ce8600
Manifest6110496222b62751cf6d1f3c16af47a71c933ee4a05f9355cbef4063f1d49b0d

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
SignaturezJ98Gz819vWlDIq+ZybN0f2njKEl9u4GdM6jsGvs5trMsYihO4Y4a1f2Y5bq0gnBgwCKBleB+zdzgTbx/mfOCA==
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

2026-09-17T10:25:20.906474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070671
observed 0ee869d1379bf3fe9566a6c6adae801e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:20.889436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070671/manifest.json
observed 6110496222b62751cf6d1f3c16af47a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:20.872299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070671/publication.md
observed 9bf88eacce7f9ab6403b9c8c52a749ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:20.853607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070671/publication.txt
observed 2c152953978fcf3347d7fd04c7dd5b9c...
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.