OpenTechnical

OT-2026-000085023

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, sustained 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-2026-000085023) never changes.

Identity and time

Publication numberOT-2026-000085023 · never reused
Internal UUID01a0ae99-43b7-71c8-ad61-f12b262ea5f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085023
StatusPUBLIC

Content hashes

Canonical text4693f49ba1aa0aad8d48d48a6484d12fee7530fb67d74e9e753c6f6f7c9692d2
Markdown9e7c39d628c038625a5192eeb7fd9a3467802560272a138e6bd883f2e8580ae0
PDF
Publication page648cce8ce71110a6982aea0dd0832057675857f43753882bd224053f4d687979
Manifest728431a57bbf968c8c09e9084e9b18ab063798788e55c403d6b67bc5157799af

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
SignatureJRKgG4cVo3ZgsM6TqylG9YCtd5vJUAQQb+nlhLZAyNSTQpwLJBL+LX0L8bILb//0gaRXOK8NlQ2Ww/nzmbe1Cw==
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

2026-09-17T09:55:02.023829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085023
observed 648cce8ce71110a6982aea0dd0832057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:02.006085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085023/manifest.json
observed 728431a57bbf968c8c09e9084e9b18ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:01.986530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085023/publication.md
observed 9e7c39d628c038625a5192eeb7fd9a34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:01.969188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085023/publication.txt
observed 4693f49ba1aa0aad8d48d48a6484d12f...
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.