OpenTechnical

OT-2026-000072820

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, vented before set-down

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-2026-000072820) never changes.

Identity and time

Publication numberOT-2026-000072820 · never reused
Internal UUID01a0ae92-89da-7190-a290-b8b4141ba252 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072820
StatusPUBLIC

Content hashes

Canonical text576b012ce0da6ed091882d9538fd2d38cf4f91e7da4f80966ab584ddff790245
Markdown5d3fc47d7c3b558821cb2d46ce4c78677c4917e1e25fda3f2870d9af16a4ef1c
PDF
Publication pageb91dd8aaaccfe997e96077113215b474b46928735adc60a662473c68cabb6707
Manifestd9c5aaaf5cee924e3595b92da86870b47a3f2f18cef450f6d99fff72cf991216

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
SignatureK+s6cMTjP0jZHMPtMpXL4O8xkCsCFBMQWrTXus4H/Q5ItRh8U2J0CixCeZT2xsYl+lpW1ZcxYxW3HYA5EbpqBw==
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

2026-09-17T10:22:44.330572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072820
observed b91dd8aaaccfe997e96077113215b474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:44.312525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072820/manifest.json
observed d9c5aaaf5cee924e3595b92da86870b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:44.293845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072820/publication.md
observed 5d3fc47d7c3b558821cb2d46ce4c7867...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:44.275601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072820/publication.txt
observed 576b012ce0da6ed091882d9538fd2d38...
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.