OpenTechnical

OT-2026-000057855

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000057855) never changes.

Identity and time

Publication numberOT-2026-000057855 · never reused
Internal UUID01a0ae88-6ed8-7247-803b-9b8fa756535c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057855
StatusPUBLIC

Content hashes

Canonical text84df17018ca891e8125f6d7deb995eeb1923caa0da155e5a7e7ae991705ea45b
Markdowne1664b254334b4ccdd78c558470afd8c473e48053ec4cb786e11d08c5d68e23c
PDF
Publication pagebd5425434bd07e74b0e2d3223418113d42450058febad157c77b1a55b62d9e41
Manifest9f53cfd086f29bafe731a5a04e89b7623e2e7cb455cfbb1d55ccdcec79b7f8f2

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
Signature2u4ClCX8VlaHfqk0WEDvL4zaNjzBCoddP3iauICuGzfyNixfv0Qtl7UhM7YqJ5blUOYtEuMN5KYq1HZ1PUFYDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:26.163115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057855
observed bd5425434bd07e74b0e2d3223418113d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:26.145082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057855/manifest.json
observed 9f53cfd086f29bafe731a5a04e89b762...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:26.127630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057855/publication.md
observed e1664b254334b4ccdd78c558470afd8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:26.110119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057855/publication.txt
observed 84df17018ca891e8125f6d7deb995eeb...
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.