OpenTechnical

OT-2026-000077630

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000077630) never changes.

Identity and time

Publication numberOT-2026-000077630 · never reused
Internal UUID01a0ae95-2ecf-7ffb-aaa0-8c21437eda30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077630
StatusPUBLIC

Content hashes

Canonical textf61f79fba106502bdc190e7468ad67455a4265510d76dbfd477782ef7057cb9a
Markdown648e5a6e4d2bc50d7058ef4ef41704af8b26efe89e2d9e7e7ed95cf8851e7556
PDF
Publication page190bbf24eb4684e01679a0ae78faa6924d8d062ad76cdcd40330e8efd947c2a1
Manifest041977c35013eca76de0276bb0e206c172b7563bad2e74c764e9f6ccd697e915

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
SignatureiHSANZQ/OPL5Mu7Mbx7RCEnOreJ+fy9UMSeC6LPPPrJRv9xyJK4MP+A/cZ8Ul36hzeuK+ITHmHNkbACZbYiYDA==
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

2026-09-17T10:06:54.629011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077630
observed 190bbf24eb4684e01679a0ae78faa692...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:54.610037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077630/manifest.json
observed 041977c35013eca76de0276bb0e206c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:54.560826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077630/publication.md
observed 648e5a6e4d2bc50d7058ef4ef41704af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:54.510558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077630/publication.txt
observed f61f79fba106502bdc190e7468ad6745...
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.