OpenTechnical

OT-2026-000026726

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000026726) never changes.

Identity and time

Publication numberOT-2026-000026726 · never reused
Internal UUID01a0ae71-f4ab-7036-87ac-c34616915508 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026726
StatusPUBLIC

Content hashes

Canonical texteaa1766c1ab403ab7f2067569872ef96abad3ab69ff195a6364069dfb29f25b7
Markdown899947ea929af23ad1370a9711f14cad049a3d9a4f797552fa9849605a1bc766
PDF
Publication pageb1845fed48357b7fc16725596c6ce88944b3c5ecc76d7f1e0fa132645a5debb0
Manifest7f2b0f7adf8d13daefd81c4042897f1a4f7dfbc0e728801b517e5deb49c1afb1

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
Signature7Jk98xTepf+Bo35uffg70lmXfu9oPNFJGwUmAY/IbexmqAiOIDeNTR4mK/EJS9A/boS5LdsTWQ83Q45peQlHDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:44:11.000033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026726
observed b1845fed48357b7fc16725596c6ce889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:10.982662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026726/manifest.json
observed 7f2b0f7adf8d13daefd81c4042897f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:10.965554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026726/publication.md
observed 899947ea929af23ad1370a9711f14cad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:10.946457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026726/publication.txt
observed eaa1766c1ab403ab7f2067569872ef96...
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.