OpenTechnical

OT-2026-000056597

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000056597) never changes.

Identity and time

Publication numberOT-2026-000056597 · never reused
Internal UUID01a0ae87-7af5-7eb2-9f7d-626be7630a8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056597
StatusPUBLIC

Content hashes

Canonical text10fcbe4cbb2db14fc831333225479c4ce57b3f57ba1d3426a11cf5400fde4cc4
Markdownd6e0f89fc551423da10112b621387bb9467e633f52547722f6c8a2cb0fc2718e
PDF
Publication page4421a1a919cb9625a9f293df310fba043ec248483021d0b535d71524f1adedd7
Manifest3204be5ecffa0540b20a3a4559973958d05630b1ebc4e0570bfa5fbf02df2b76

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
Signature5b2ZbgJLoYfEipOGlTB5/rldyvR+0nVijR59wBZZQRv40/B9HGRk8T5QhG7o6pacLIeC0Bidih440AhE3dI2DQ==
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

2026-09-17T10:49:56.715953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056597
observed 4421a1a919cb9625a9f293df310fba04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:56.696140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056597/manifest.json
observed 3204be5ecffa0540b20a3a4559973958...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:56.677707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056597/publication.md
observed d6e0f89fc551423da10112b621387bb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:56.660363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056597/publication.txt
observed 10fcbe4cbb2db14fc831333225479c4c...
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.