OpenTechnical

OT-2026-000055017

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000055017) never changes.

Identity and time

Publication numberOT-2026-000055017 · never reused
Internal UUID01a0ae86-5e80-7239-a560-d47b28ee7a6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055017
StatusPUBLIC

Content hashes

Canonical texte6270b210723b8042e6f39ffacd0d75679073f4689c23483e759ec31ecec94d5
Markdown915d55463ac3b5c354bbaadd9125e74c5a2b43b38cb7c577c492aba7b77e8561
PDF
Publication page25c9dc67fd90faade59ce64c990ea82d463064a65cc289cad0eb860dfff3f57a
Manifestdbe35d4d289218774197d294034633d9d7041bfbc8807fdbd846a1253a11356c

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
Signature+7lJ3X9bTIvpEV1Og8qfPCl8diFpdok6afFEZU2NSVVbdpxhQkoKI/3aP0JBLjIIL0kW8Y9kK15XumaMYcc6CA==
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

2026-09-17T10:53:09.125784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055017
observed 25c9dc67fd90faade59ce64c990ea82d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:09.107659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055017/manifest.json
observed dbe35d4d289218774197d294034633d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:09.071992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055017/publication.md
observed 915d55463ac3b5c354bbaadd9125e74c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:09.029615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055017/publication.txt
observed e6270b210723b8042e6f39ffacd0d756...
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.