OpenTechnical

OT-2026-000077748

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented after set-down

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-2026-000077748) never changes.

Identity and time

Publication numberOT-2026-000077748 · never reused
Internal UUID01a0ae95-2ecf-75b7-afb0-9fb40c36ae34 · 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-2026-000077748
StatusPUBLIC

Content hashes

Canonical textb0d76d61099997756a1efdf9ba78ff47828dbeb4c16452b7a4b42670a940bb10
Markdowne88edb6bbcd49c104b811c58619954660bdb0284242a088ffecd5119e7e4303c
PDF
Publication page7b99002d44792fa87fd7bd056847d66a4b63c97a1a34075b391275d28d3a3a0b
Manifestd68817e2616c28dbe6bfb97e1f6ca950a6935df55b32b52e31b77a5eeb3ffa94

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
SignatureduvbPhgEpcr5wutrW5ZbRGKSSzk+cGJWcRnkACmJobZAeROvULdsfVBWRx2266r1IkF7dxiq6SQRJ3L4b+mNDw==
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

2026-09-17T10:07:19.744192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077748
observed 7b99002d44792fa87fd7bd056847d66a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:19.724636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077748/manifest.json
observed d68817e2616c28dbe6bfb97e1f6ca950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:19.703926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077748/publication.md
observed e88edb6bbcd49c104b811c5861995466...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:19.684926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077748/publication.txt
observed b0d76d61099997756a1efdf9ba78ff47...
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.