OpenTechnical

OT-2026-000078536

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented 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-2026-000078536) never changes.

Identity and time

Publication numberOT-2026-000078536 · never reused
Internal UUID01a0ae95-7c29-743f-b813-0f6609e88f5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078536
StatusPUBLIC

Content hashes

Canonical text3a2087b7c7a000384ab8881475b99dc49208554ffd88b0ad42389203099f651b
Markdownf48aa310ed86eeb2fbe22e7a5d00fbb5ece500ef9161cfbdee40a1c0be78d710
PDF
Publication pageb063a7d175f622e53f2988a4bdefb21d23d907906c295f541a1301ca3172eeb4
Manifest31ff1d13604e887d0c5e28069245fd33b11e4bcc0a199a8690af87bb1bab02c9

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
SignatureBEn/hfiEwZ9rOSQcxmfrcTbfDfr41kBR98iZ+HwPFAlfs4YgFNLHRdhz5m3rpgmjKnNobZyDBfW2BLwMKNrLCA==
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

2026-09-17T10:06:33.379982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078536
observed b063a7d175f622e53f2988a4bdefb21d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:33.361159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078536/manifest.json
observed 31ff1d13604e887d0c5e28069245fd33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:33.343599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078536/publication.md
observed f48aa310ed86eeb2fbe22e7a5d00fbb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:33.325573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078536/publication.txt
observed 3a2087b7c7a000384ab8881475b99dc4...
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.