OpenTechnical

OT-2026-000070258

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000070258) never changes.

Identity and time

Publication numberOT-2026-000070258 · never reused
Internal UUID01a0ae91-545e-7c27-97f2-ac6fdde87f5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070258
StatusPUBLIC

Content hashes

Canonical text57dd5524769b61a7d8ef7abb4d51124f286adc55de0d7749525e901d6d7bd123
Markdown23929baa4a7567655fa93edf1524c00b8af86775a862cbd2dddece875764f76f
PDF
Publication page09e742500d0ab3a3ddafd6b524ec002d7adca6b54403f80a22e97d94d338fef8
Manifestacdb7d6b019d331e6be6afe8b4b6d41147d744285eb9e6467777a6ec4eabced7

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
SignatureLTxqaowIGmdWvBa1tgVS0QRdqRnasehmuMA0M9FvjKQaXxD5OF+M1MGaloevzdnnPIxxO2uJm5VvzOEF5LLWAA==
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

2026-09-17T10:26:02.262376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070258
observed 09e742500d0ab3a3ddafd6b524ec002d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:02.245333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070258/manifest.json
observed acdb7d6b019d331e6be6afe8b4b6d411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:02.228804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070258/publication.md
observed 23929baa4a7567655fa93edf1524c00b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:02.212090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070258/publication.txt
observed 57dd5524769b61a7d8ef7abb4d51124f...
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.