OpenTechnical

OT-2026-000071128

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000071128) never changes.

Identity and time

Publication numberOT-2026-000071128 · never reused
Internal UUID01a0ae91-e0eb-78d9-972d-d5e93732af2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071128
StatusPUBLIC

Content hashes

Canonical textc11a2234b0e4c68311a63051dd6a1fefb8559a137e2bd99920bfe8df493efc88
Markdown5978a7a21ea83bcd9439ec89f2ab8cb85f0dba6565114b3ab184ef545b14ccde
PDF
Publication pageb2695067dab49956aab6549a7b39dc6b31953da74648157766a5d00c7aafb567
Manifest9beaf903e39b7aeeb2d540e805094bc0a80632d1b9e9fdf034b7f2d377611a8e

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
Signaturefa7cgSUFzeMP6Uvw8+VEOoa+IOWaILeHNIGhJo84j5pW3eRunCoks2UTTot0JCkeUnfhYkEFZxRNR99oo7efAQ==
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

2026-09-17T10:24:37.481585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071128
observed b2695067dab49956aab6549a7b39dc6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:37.463750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071128/manifest.json
observed 9beaf903e39b7aeeb2d540e805094bc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:37.446163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071128/publication.md
observed 5978a7a21ea83bcd9439ec89f2ab8cb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:37.428171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071128/publication.txt
observed c11a2234b0e4c68311a63051dd6a1fef...
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.