OpenTechnical

OT-2026-000057878

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000057878) never changes.

Identity and time

Publication numberOT-2026-000057878 · never reused
Internal UUID01a0ae88-6ed8-784b-a98c-a155d07ced25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057878
StatusPUBLIC

Content hashes

Canonical text28ca56f4febc2861852fa46691c1d0e42c39112ee174e33bf2ccf549c1343cf1
Markdownedac001bb8ee494b1dcc76331e589ee4af831700867e3ad775ce97081b72858f
PDF
Publication pagedda913afb7db64908a491295d0990797c443480bbf27bc059cb4a3a6b434fe20
Manifestdecd97d6d81c23ef2dff286ed9268730c6e2679f56905c6ab79ae323d4decb3f

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
SignatureKlhOMRcBXX/MW0HwNOfiK0xRBu3S+fHWjwAdEL+kBGtprTRaWpEIFi9OW/bHh/zIeCx2uVRir5qfS3Hp5P72DA==
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...

Independent retrieval

2026-09-17T10:47:27.957403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057878
observed dda913afb7db64908a491295d0990797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:27.938688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057878/manifest.json
observed decd97d6d81c23ef2dff286ed9268730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:27.920022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057878/publication.md
observed edac001bb8ee494b1dcc76331e589ee4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:27.900956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057878/publication.txt
observed 28ca56f4febc2861852fa46691c1d0e4...
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.