OpenTechnical

OT-2026-000073273

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000073273) never changes.

Identity and time

Publication numberOT-2026-000073273 · never reused
Internal UUID01a0ae92-efb7-76bd-835a-da1008076b82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073273
StatusPUBLIC

Content hashes

Canonical text2a5e208295906b22d45410872326f7f24b477d3678b58aba648a6a1d0677534a
Markdown350e1eb79bfe3c428c5e7a53c2c34b121f0c3d73edc38671cff130967bfa9eeb
PDF
Publication pagede61a5724c8b143a80795447411c3603cacd9329993457e77c179cbd5326075d
Manifest61956f2d52a0207fad51abd310f4a1c853b4a2645853706d54dcee679ed6eebd

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
SignatureqzM+egopAymX8gTJpB9QQ09KEPydknB6ZHC3EdTwr2xyeWOw8V0YJmMwqqVx/IW8ZHgYPN2Q703JZz3cNsNACA==
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

2026-09-17T10:21:16.533988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073273
observed de61a5724c8b143a80795447411c3603...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:16.515250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073273/manifest.json
observed 61956f2d52a0207fad51abd310f4a1c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:16.496038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073273/publication.md
observed 350e1eb79bfe3c428c5e7a53c2c34b12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:16.476442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073273/publication.txt
observed 2a5e208295906b22d45410872326f7f2...
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.