OpenTechnical

OT-2026-000063486

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000063486) never changes.

Identity and time

Publication numberOT-2026-000063486 · never reused
Internal UUID01a0ae8c-f944-7400-b106-7c6083f4f0f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063486
StatusPUBLIC

Content hashes

Canonical textabc53fa5ba0b4f13049401c842da540075e36517941bc8f8a4abde87bafac254
Markdown964d32746c44e9c7092d45cbee73f24d37d6ba47d1569f8b63acc33ba286891a
PDF
Publication page89e4b3ecd07766ea0213243ede38b289035fe7fbb94d9737f061ae94ce930b40
Manifest09c8bf93979b3bf1fa01137a0aac2b4fe6b3b64ecc56afe97b2c7f8aca54e75e

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
Signature4zKyCMxHt4s/wvOhrJX+HYtlCSscFLxfx4FvKXfolv15lL2YeaQnYrxee4Xr6BPxkepNRualt4lIe2zP/SY8CA==
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

2026-09-17T10:37:27.688266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063486
observed 89e4b3ecd07766ea0213243ede38b289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:27.669794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063486/manifest.json
observed 09c8bf93979b3bf1fa01137a0aac2b4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:27.650077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063486/publication.md
observed 964d32746c44e9c7092d45cbee73f24d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:27.627839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063486/publication.txt
observed abc53fa5ba0b4f13049401c842da5400...
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.