OpenTechnical

OT-2026-000074148

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000074148) never changes.

Identity and time

Publication numberOT-2026-000074148 · never reused
Internal UUID01a0ae93-7177-70d6-a3ec-6b276159bfcf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074148
StatusPUBLIC

Content hashes

Canonical text3b763ed49cfcff920d63ed16724023e559d21311a38497a3f59e72f333041272
Markdown555a3021a9eb26c7417a654c75b09fd6539cc3b888207e88723da2c25e0262fd
PDF
Publication page1a93b70309d9be320294400c7cc59284d566e085a891d8079f8ac8eecba7d519
Manifestd4b4f6eeaed0a8169c6ce3f233b62d7abee7a7ba4eaa04be0dd2470aea4913ce

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
SignaturevFyvVonP35soZ2pxRtc/RRzV4o3L3Ft7l2FNWBodFh7ijdEmEpao0x7TuWMEBSrl2xtz8OQ3sCJveKSFukp3CQ==
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

2026-09-17T10:18:59.698810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074148
observed 1a93b70309d9be320294400c7cc59284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.682916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074148/manifest.json
observed d4b4f6eeaed0a8169c6ce3f233b62d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.665410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074148/publication.md
observed 555a3021a9eb26c7417a654c75b09fd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.647357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074148/publication.txt
observed 3b763ed49cfcff920d63ed16724023e5...
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.