OpenTechnical

OT-2026-000083259

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000083259) never changes.

Identity and time

Publication numberOT-2026-000083259 · never reused
Internal UUID01a0ae97-c963-74e9-8fe4-ce7722f0b8d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083259
StatusPUBLIC

Content hashes

Canonical text83e7fc99ff7136d0ca2b6333812e1c326d4c46bc74bb5a022c9371b585f49bbe
Markdowndbb45284a6d7ee377581bd384900e3b9e2c39a557e9ad8d4c4cf94caec72f18f
PDF
Publication page2d21b527bdf643cbe13b4b211dc79c1be0b02f1ea1d74eaec2e6fb5faf805d58
Manifest7ff2fde2bd91d26eb3ceedd629677b7d23c5b44921f00d606ae9ca07c5ab8f95

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
SignatureA2x0OY8eZEeZo/xYuXfr42p08xiUdQFTPBuJjysPgPk1feHkOIhbjUkyqkpH8odZxz2Eorx7AUt3vo2eGRCmAA==
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

2026-09-17T09:01:19.559696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083259
observed 2d21b527bdf643cbe13b4b211dc79c1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:19.165101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083259/manifest.json
observed 7ff2fde2bd91d26eb3ceedd629677b7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:19.146205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083259/publication.md
observed dbb45284a6d7ee377581bd384900e3b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:19.125617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083259/publication.txt
observed 83e7fc99ff7136d0ca2b6333812e1c32...
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.