OpenTechnical

OT-2026-000073854

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000073854) never changes.

Identity and time

Publication numberOT-2026-000073854 · never reused
Internal UUID01a0ae93-2b8e-7c1e-bbd6-e3e237a72148 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073854
StatusPUBLIC

Content hashes

Canonical text58d080192b83f1c1b4b34740d94636bbaed2ef40dcb618717a7a9791d9af92e0
Markdown3ff611420aa0500aefdf8f5c1a33b3789d3e24c1d02f604ab95e5f8f3e1f8410
PDF
Publication page013454167084bc6fd711c4fb9e9f4993b578060b327d6a5e46570e7b0b7c60e4
Manifest04d56adbadb27344bcedfbd0be691edb2bd6e53b2079607e8e82103d92208cfd

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
Signature/dINF5pTt8BZd19f4Pvw+I4Zry74h9jF9RsjJvaQlp8OG+G1LhlTF3Tgl3oacuRxsPILU0WoKbOF7lqzYGHkBA==
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

2026-09-17T10:19:59.656441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073854
observed 013454167084bc6fd711c4fb9e9f4993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:59.637890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073854/manifest.json
observed 04d56adbadb27344bcedfbd0be691edb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:59.618886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073854/publication.md
observed 3ff611420aa0500aefdf8f5c1a33b378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:59.599344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073854/publication.txt
observed 58d080192b83f1c1b4b34740d94636bb...
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.