OpenTechnical

OT-2026-000073916

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000073916) never changes.

Identity and time

Publication numberOT-2026-000073916 · never reused
Internal UUID01a0ae93-2b8e-7119-a104-42dd970fac7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073916
StatusPUBLIC

Content hashes

Canonical text5bb61965771d5e5917b457315c78b1cb593a2ec6d44bc71cf9f25a471dc73daa
Markdown588e6ede1ef2a11614bd2d9659e35ba47b537ae8d65ca0e558dd5b1301c43fd5
PDF
Publication page0676cbd0682bc8ede03962cb10835c50af725f4458651d01d0c0b084488ac4f8
Manifestc350c761cca00cbdab8d230582a1dba42f1713102b90cafcaac8ea009e8aa2df

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
Signaturepm2/jyi2/a9tVUYHGs/nb5rUTTsEKij5fOk3qTJWfpZizV7mhFykl0VKprM3nP4VNwEnZrAC1zr0h8horH0eCA==
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

2026-09-17T10:20:11.452061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073916
observed 0676cbd0682bc8ede03962cb10835c50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:11.421520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073916/manifest.json
observed c350c761cca00cbdab8d230582a1dba4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:11.395368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073916/publication.md
observed 588e6ede1ef2a11614bd2d9659e35ba4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:11.366790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073916/publication.txt
observed 5bb61965771d5e5917b457315c78b1cb...
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.