OpenTechnical

OT-2026-000054958

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000054958) never changes.

Identity and time

Publication numberOT-2026-000054958 · never reused
Internal UUID01a0ae86-5e80-7487-8b52-00fe90f84e35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054958
StatusPUBLIC

Content hashes

Canonical text4d030495d0ce9d96c021c160812e808889347dbf57b4ae602940c5a5e815cbb1
Markdownb055aa2d764733d4018e01b85b4791117095feed35290c6bae4dbe4c76f10d48
PDF
Publication page953886a568fd0c5563ff0e8423c644ffbc53530013263085615bc042ac0cc3e0
Manifestf8b01f75a6230a270efd0a4f63b305e8bbb45c632663896d9d9a4ecf38668525

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
SignaturehT2k1G9SEY2ICWBwkdljWwdcR6ofP361WoAWXF8ZLc/7dFVgAImHHk6bGoAAfP4vH+FZNfngPA4VS1EEhAdsDQ==
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

2026-09-17T10:53:04.211527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054958
observed 953886a568fd0c5563ff0e8423c644ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:04.194138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054958/manifest.json
observed f8b01f75a6230a270efd0a4f63b305e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:04.175799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054958/publication.md
observed b055aa2d764733d4018e01b85b479111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:04.159207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054958/publication.txt
observed 4d030495d0ce9d96c021c160812e8088...
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.