OpenTechnical

OT-2026-000101555

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, pulsed blow-off after 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-2026-000101555) never changes.

Identity and time

Publication numberOT-2026-000101555 · never reused
Internal UUID01a0aea4-0e15-75b8-9b68-d4458b924051 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101555
StatusPUBLIC

Content hashes

Canonical text32cfd27f50f7670012183ca28511c017f9759b7b5024fc7257f185848e2690fe
Markdownc78f8c1be43a89f847dbbad4b450ed721f4c7801ffc3d03cd7a57aeee36abaa3
PDF
Publication page8b7499f479bad600b052d00a054b85066062f54f74d8f7572ed08fd2ebffc908
Manifest8e45b5bc331d4f542e88d8f7b645978ad46d07b27fe160daafbe8c7714ba7698

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
SignatureovPaaZEWcVG4pKHTbDVuPWJ+qclR3N4VEcZgLffN7h/fWWnTXw5Z3nt9Eutv1A3YU3i8ace8cYkmERznQmLcDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:35.999879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101555
observed 8b7499f479bad600b052d00a054b8506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:35.982750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101555/manifest.json
observed 8e45b5bc331d4f542e88d8f7b645978a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:35.963255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101555/publication.md
observed c78f8c1be43a89f847dbbad4b450ed72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:35.943681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101555/publication.txt
observed 32cfd27f50f7670012183ca28511c017...
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.