OpenTechnical

OT-2026-000053078

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000053078) never changes.

Identity and time

Publication numberOT-2026-000053078 · never reused
Internal UUID01a0ae84-a431-76dc-8499-dc431a45ed06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053078
StatusPUBLIC

Content hashes

Canonical text3c35ab32470da4ec36a9f1cff4aed67b6935de8d7bcc323f666a089b61afc94c
Markdown231e3a08fea853b0be56e6894a1c824379ad74af12f9ab8ec9bc101aff0b7505
PDF
Publication page2c53daae07efd758d11445a37cd9f93b01afa44fd3f03754d0b02092862d0314
Manifest09c252ccfe59f300ebc97ffcc8de0b6b3b8c0677c66f26ade2d43bf1c23e42d5

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
Signature2V7amdwvMA6jdsw4IickKTeqqAKjnlVEzsDBkUkc4RbMBb9oH7gB23Ir6h1W/K/AGXoIsdHrrYu1cH04aCTdBA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:47.768912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053078
observed 2c53daae07efd758d11445a37cd9f93b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:47.750900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053078/manifest.json
observed 09c252ccfe59f300ebc97ffcc8de0b6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:47.733714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053078/publication.md
observed 231e3a08fea853b0be56e6894a1c8243...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:47.716797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053078/publication.txt
observed 3c35ab32470da4ec36a9f1cff4aed67b...
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.