OpenTechnical

OT-2026-000041946

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000041946) never changes.

Identity and time

Publication numberOT-2026-000041946 · never reused
Internal UUID01a0ae79-e8a6-7e4b-8221-87fe9736d789 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041946
StatusPUBLIC

Content hashes

Canonical text62bda7cc337ced0f9524924769746a27006b104fd608583252c983226bb91ffc
Markdown9aedcd53a483199a5b8f0bc6d1c8299bf898e585011cda1883d8238df7339076
PDF
Publication page4cd3ce9dbb5166a8abec3c5461178c36658973ec23f232098a193073b13f3ab4
Manifestec8b91f4a31c510bc4a1efc2e6928429b567277cf81775d151406c8f44e31cc9

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
SignatureqN4Tofrj1Bi5EmvDao8bgzo53AuD09kqFucFrDh/vxtQV7exdQkZyoysW4SPv9rTCQHjZZYY2pJj22QDJPN2CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:50.158237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041946
observed 4cd3ce9dbb5166a8abec3c5461178c36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.142634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041946/manifest.json
observed ec8b91f4a31c510bc4a1efc2e6928429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.126655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041946/publication.md
observed 9aedcd53a483199a5b8f0bc6d1c8299b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.109682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041946/publication.txt
observed 62bda7cc337ced0f9524924769746a27...
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.