OpenTechnical

OT-2026-000077686

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000077686) never changes.

Identity and time

Publication numberOT-2026-000077686 · never reused
Internal UUID01a0ae95-2ecf-7914-b537-43ff1a048ac7 · 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-2026-000077686
StatusPUBLIC

Content hashes

Canonical text01ea986d6979e2401c5159bcb1f71d88f333b9ff2dd35c8877a278f59e3ae993
Markdown6b2dbd107a2e6abe4a7760d56e68f317b3d0972519c94aa5ff9a5ed52aa8ddf6
PDF
Publication page4c4ee30bd52f05b214240e6a3f760ae2e35649db9c6af4e40e91417c71585209
Manifest25892ccc32e3150a25ef1a5eaf442e800045340921b695742bf6b9588658de94

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
Signatureg1Xbddezt+aw/MmJAAcPgGVJaoWAFB/ihOBqua6EyntuMw3UfZzkZRa0d2OKQt8g++qhq5c89JpJZ1Ofu05kCg==
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

2026-09-17T10:07:15.588320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077686
observed 4c4ee30bd52f05b214240e6a3f760ae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:15.569978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077686/manifest.json
observed 25892ccc32e3150a25ef1a5eaf442e80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:15.482031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077686/publication.md
observed 6b2dbd107a2e6abe4a7760d56e68f317...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:15.395202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077686/publication.txt
observed 01ea986d6979e2401c5159bcb1f71d88...
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.