OpenTechnical

OT-2026-000072671

Publication integrity record

Two cup 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-2026-000072671) never changes.

Identity and time

Publication numberOT-2026-000072671 · never reused
Internal UUID01a0ae92-89d9-75e0-b415-e9a7c8544bc7 · 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-2026-000072671
StatusPUBLIC

Content hashes

Canonical text66a0389318f1c0a39dd250433540e9a5c24a5a65e28b5b185d374a272eaeaa8c
Markdownb8355bd721f4239b12620edb5c08814dc4d306778ffe3dd69959eeed4f486e49
PDF
Publication page2de1ba7de920d7a68859e1c1d325cb7cf4ff9e03aacb2a06e741e695025b81f7
Manifeste992bfa62c7ef8069a7db381dc421b6261c6474573cde4591c9020a0beef40b3

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
SignatureNyZceHoyno17hw957AWGdmM2KUlCVAt/WqLlKoBRLm6z3LE4d5Ije79dzPkAMQURFH1/TW75lsxVLPxsJ0X4Cw==
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

2026-09-17T10:22:32.308720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072671
observed 2de1ba7de920d7a68859e1c1d325cb7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:32.293865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072671/manifest.json
observed e992bfa62c7ef8069a7db381dc421b62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:32.278158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072671/publication.md
observed b8355bd721f4239b12620edb5c08814d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:32.261948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072671/publication.txt
observed 66a0389318f1c0a39dd250433540e9a5...
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.