OpenTechnical

OT-2026-000068873

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000068873) never changes.

Identity and time

Publication numberOT-2026-000068873 · never reused
Internal UUID01a0ae90-6dcc-7e2d-97f2-3683187b8387 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068873
StatusPUBLIC

Content hashes

Canonical textb83a2e610aee485809b2a85e386ce47adf9485412647518970b45244b8638566
Markdownb80e6a30b61ce2af37e58a7c2671bde62cd8bc08cece7e9206fe8b0a5bdc61c8
PDF
Publication page385ca01a87b810012c63e97a62003b751ffc68e506bb8cbca1daaf655306624c
Manifest3dd12da3dcf5dbbc4519a1ec424d1a8317b73dfcdc5266cb4baa1939af8be167

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
SignatureGT+jUlc/rnC9DLQRBxokr3OG87q5BiYthKzmOnm9F/fokfIzteUsrUfKJxIJniOYYm41pRfTWQO/kqB7g1mzAg==
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

2026-09-17T10:28:41.370384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068873
observed 385ca01a87b810012c63e97a62003b75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.354829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068873/manifest.json
observed 3dd12da3dcf5dbbc4519a1ec424d1a83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.338206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068873/publication.md
observed b80e6a30b61ce2af37e58a7c2671bde6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.320630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068873/publication.txt
observed b83a2e610aee485809b2a85e386ce47a...
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.