OpenTechnical

OT-2026-000055351

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000055351) never changes.

Identity and time

Publication numberOT-2026-000055351 · never reused
Internal UUID01a0ae86-a100-77e0-9bdb-79df15608291 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055351
StatusPUBLIC

Content hashes

Canonical text504235c978537856ae13ca10c7c399f383b8f497438b3aff63fa0f4d3c9e5e4a
Markdown3f9904dca10af914eb5dc579363cff25b93a5cada0e9f8e6c9ed2945222ca4b7
PDF
Publication page6cb311cbbc2fc6ada3d575ce5ed7fe52394be212387b3ae4a1834a410839ef85
Manifest0e21d3c996a952e560c34bc517e5b34c5b94723a175f4f7369019c7a6a01661e

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
SignatureQSd0lr03uGBSDQQkTpbQhb1HESxokefroGHnILFYe5ZOICfUq/Iz1N6XUrbB7JQU1G+pp2TSvuioj8henqclAA==
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

2026-09-17T10:51:58.626015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055351
observed 6cb311cbbc2fc6ada3d575ce5ed7fe52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:58.608996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055351/manifest.json
observed 0e21d3c996a952e560c34bc517e5b34c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:58.592382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055351/publication.md
observed 3f9904dca10af914eb5dc579363cff25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:58.574106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055351/publication.txt
observed 504235c978537856ae13ca10c7c399f3...
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.