OpenTechnical

OT-2026-000069570

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000069570) never changes.

Identity and time

Publication numberOT-2026-000069570 · never reused
Internal UUID01a0ae90-b52b-71b0-99d4-84d8477ad3c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069570
StatusPUBLIC

Content hashes

Canonical text1c029d003bf443adf7415fe84be65e911cd120608a0346f8d180caa76df0f9aa
Markdown02db15daa47d86122f16f2b988e3d487536f45e653c52f1abfd53b8061c78f85
PDF
Publication pageb221dbdc01f00725e310249068b9096814b6252f457b8360f392c6e204547808
Manifest1bafdfd52a5b27f8d5522fa90265865bfbcdd1f2596ef8178bd27b50073faab5

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
Signatureccf0XxvrL89uedIxyh2F8i3soZJuQZsZVszTDj1uQM0I/1XML/Wa1sMKTq4W0iXqBa7U1TNhZPbThsOSQrY2Dg==
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

2026-09-17T10:30:41.606255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069570
observed b221dbdc01f00725e310249068b90968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:41.587601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069570/manifest.json
observed 1bafdfd52a5b27f8d5522fa90265865b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:41.569496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069570/publication.md
observed 02db15daa47d86122f16f2b988e3d487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:41.549436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069570/publication.txt
observed 1c029d003bf443adf7415fe84be65e91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.619128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069570
observed b221dbdc01f00725e310249068b90968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.603009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069570/manifest.json
observed 1bafdfd52a5b27f8d5522fa90265865b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.584013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069570/publication.md
observed 02db15daa47d86122f16f2b988e3d487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:13.565820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069570/publication.txt
observed 1c029d003bf443adf7415fe84be65e91...
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.