OpenTechnical

OT-2026-000077777

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000077777) never changes.

Identity and time

Publication numberOT-2026-000077777 · never reused
Internal UUID01a0ae95-2ed0-73e7-b5ea-b9f5f3d38105 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077777
StatusPUBLIC

Content hashes

Canonical text4f47dc4661b51e3c37c791a55ca48b8c1472b68364dbed8bfd17aa9aad2eedfd
Markdown453305d5480fc7caaa930324d045ed627cb8389667d98e552e0155ae0dbc3c5a
PDF
Publication page3c5cc20a8d449ab2385785779294b4559d0cf125cf05916672ff9d99a5f51244
Manifest8c87a632213d5de1b48fcd2e8d2cd73ae4ef95a3e66b66b28abe7468de255d49

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
SignaturefxpUUwGzlXDb6X1C0G9B6eY9ytVNn9dOnXGcsCsMKXUEsXJ/MpoYPEJ0UaUg6l9Q1vTAEeiLjFkhkOivmEytCA==
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

2026-09-17T10:07:21.758089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077777
observed 3c5cc20a8d449ab2385785779294b455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:21.738919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077777/manifest.json
observed 8c87a632213d5de1b48fcd2e8d2cd73a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:21.720563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077777/publication.md
observed 453305d5480fc7caaa930324d045ed62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:21.699824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077777/publication.txt
observed 4f47dc4661b51e3c37c791a55ca48b8c...
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.