OpenTechnical

OT-2026-000072358

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three 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-2026-000072358) never changes.

Identity and time

Publication numberOT-2026-000072358 · never reused
Internal UUID01a0ae92-47c3-7869-ae1b-e3441a6c6d1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072358
StatusPUBLIC

Content hashes

Canonical textb7b48f3bf83c410ac87e824299afb123542891a75bca93c2da3fe6a81f7e1cdb
Markdownb10ce9b168ad1960a64f0ddb6e66cf32a6475e452a0dd8d0e656ddf6c14a7eb6
PDF
Publication pageabffc5db5d4fc0e761a8af24332517224cbecc11543d506dd260ca9de6e5d207
Manifestf17d0a586df4babe844cc2d9fb9ac129b848c31dbb20e081747366ede4232517

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/Qiy+G8ylRYxmVJtHNSeqlFz1baae3LTLnkCw/croP/RbEcRGmfVIqbnqo5S/DkSplcHmJP+INA1fr3cMM5WDA==
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

2026-09-17T10:23:35.565616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072358
observed abffc5db5d4fc0e761a8af2433251722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.549390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072358/manifest.json
observed f17d0a586df4babe844cc2d9fb9ac129...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.532321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072358/publication.md
observed b10ce9b168ad1960a64f0ddb6e66cf32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.514802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072358/publication.txt
observed b7b48f3bf83c410ac87e824299afb123...
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.