OpenTechnical

OT-2026-000072653

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000072653) never changes.

Identity and time

Publication numberOT-2026-000072653 · never reused
Internal UUID01a0ae92-89d9-7b44-a64a-be925ab5c13b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072653
StatusPUBLIC

Content hashes

Canonical textc399e4a8c095b9b3ea7053fb4403b0901f309eed1fb557830a25618193c2573c
Markdown85b4f538ba9bd8c5fb02ed125ebc3106295af90d2860461c4ee7236b1efa587a
PDF
Publication pagee5d3846244a5480c719653fb3eb4c97bb8cea853e6b530cb132bd31a47817808
Manifest4e4684fd19551d3a90a62561270c81398a73fded385a8d80d9509773aeb1d471

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
Signatures/S+oKCdPVl2ATov2FWJscIlA0Hj6Kd16Wf3C1zijvujbxGObPReocxQIm4e//sB/VbC3TLPcF3QaG4CnZTQCw==
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

2026-09-17T10:22:28.706565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072653
observed e5d3846244a5480c719653fb3eb4c97b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:28.690899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072653/manifest.json
observed 4e4684fd19551d3a90a62561270c8139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:28.673910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072653/publication.md
observed 85b4f538ba9bd8c5fb02ed125ebc3106...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:28.638317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072653/publication.txt
observed c399e4a8c095b9b3ea7053fb4403b090...
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.