OpenTechnical

OT-2026-000085697

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, sustained 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-2026-000085697) never changes.

Identity and time

Publication numberOT-2026-000085697 · never reused
Internal UUID01a0ae99-aaae-735c-8a4f-4ae9912ac561 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085697
StatusPUBLIC

Content hashes

Canonical text4f59327c366ada4c3055a759def498ebc722fcf96b00d1d2e0d9ecf25428f8ef
Markdown1d950f6412641872c0d936c860156dd160de5cbb36cdc8fbe23ae8ea81ca08fe
PDF
Publication page834a7edc12d1d0a34e1091786045a5d679779b745ef81d691969042e0e0a015c
Manifest0ccee213d601caeab23a12fc46b1ec9db160d9834c44752200fc9c53dc59fc03

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
SignatureaS+NWyvHFOWpCT1HDVqiv6kTOlcKIg+EzRwVWAxDa/KYAr38vkDLxCZS9gFV0KyX8aS027ZF7a2i3BdeteIxBQ==
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

2026-09-17T09:54:36.024603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085697
observed 834a7edc12d1d0a34e1091786045a5d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:36.006985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085697/manifest.json
observed 0ccee213d601caeab23a12fc46b1ec9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:35.988669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085697/publication.md
observed 1d950f6412641872c0d936c860156dd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:35.969351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085697/publication.txt
observed 4f59327c366ada4c3055a759def498eb...
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.