OpenTechnical

OT-2026-000059488

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000059488) never changes.

Identity and time

Publication numberOT-2026-000059488 · never reused
Internal UUID01a0ae89-8619-79d5-a074-5168333c94c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059488
StatusPUBLIC

Content hashes

Canonical text82c2aacf4e1f836ab6e48b8816ae9233fbd46937e20db78aecc647bd05e968fa
Markdownfe0cd6a86b0d59cd3a47b595aa5382af2000ae21168f52cafc788197c09331ad
PDF
Publication page3b8266e93c1a80840c872f07161700822683e225e4007f0bd79c4e4e2cfc841e
Manifest67576e6dc0c37d380177d1c4f10ddeb386254cb09436b4180d2475f7a05766e7

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
SignatureAP1KOvt3SkcYMM4yQdqMNLQtn/gdkmMYY0k+1HGS+x5iuBV5A/zesUyxjtAqiU7bN3ye+qnHi2RbOLrb34eWAA==
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

2026-09-17T10:46:11.580484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059488
observed 3b8266e93c1a80840c872f0716170082...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:11.561422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059488/manifest.json
observed 67576e6dc0c37d380177d1c4f10ddeb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:11.543434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059488/publication.md
observed fe0cd6a86b0d59cd3a47b595aa5382af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:11.524478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059488/publication.txt
observed 82c2aacf4e1f836ab6e48b8816ae9233...
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.