OpenTechnical

OT-2026-000054399

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000054399) never changes.

Identity and time

Publication numberOT-2026-000054399 · never reused
Internal UUID01a0ae85-b3aa-7eeb-8136-949b826290e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054399
StatusPUBLIC

Content hashes

Canonical text3e04c62d2ebe8899f5fa620cd7ffac37108d226e4978f566d2655155387b82ba
Markdown85ab2ea9d3c909e00146cded60fcd1f6b71d640ce55365af4abd2f8965af5563
PDF
Publication page64519dc9c6496c931c4b112b909aa5da9af255daf19b717fe42ae1a892aae037
Manifest14ec2f371d433a6197f23bde3314d6c4ff5cf6570e55ef9f36ad4f0b2d37f08d

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+ZzljNv/nBuemTcNSMyjUGM3Vpe/VBE58le20O7Vui7tgMhi5dOOh8O4ylK9dMloQV1yw0/1timOp5MvhwV3AA==
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

2026-09-17T10:54:56.507361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054399
observed 64519dc9c6496c931c4b112b909aa5da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:56.424242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054399/manifest.json
observed 14ec2f371d433a6197f23bde3314d6c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:56.406160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054399/publication.md
observed 85ab2ea9d3c909e00146cded60fcd1f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:56.387442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054399/publication.txt
observed 3e04c62d2ebe8899f5fa620cd7ffac37...
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.