OpenTechnical

OT-2026-000053023

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, 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-2026-000053023) never changes.

Identity and time

Publication numberOT-2026-000053023 · never reused
Internal UUID01a0ae84-a430-7427-a778-78f8388aae68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053023
StatusPUBLIC

Content hashes

Canonical texteccc6b9448046b4bcdf39a97c6a221b623b2ad251d0ce6b601cf82683582afc1
Markdowna2e95a1f3f0ce62130fe6dcf850267bb6712eea816243ec8cf05a362d69f1021
PDF
Publication page00a1ebe92c8ad25c5f1c26bf531776d02654635be1b4a32ba69f55ac87d3af9c
Manifest77c40cb64de2045a0a90130ef22839072b682c96191b86545b3d7e0592e14952

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
SignatureKTnhywiazQIRcPSkeccuVpHLVlQJ/A2XA7ZKMwMa3vRiPbpyZWz9MAsv7306fioPYI442SHcRwP6dtXM1GO9Aw==
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

2026-09-17T10:56:43.512692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053023
observed 00a1ebe92c8ad25c5f1c26bf531776d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:43.494294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053023/manifest.json
observed 77c40cb64de2045a0a90130ef2283907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:43.476085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053023/publication.md
observed a2e95a1f3f0ce62130fe6dcf850267bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:43.458685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053023/publication.txt
observed eccc6b9448046b4bcdf39a97c6a221b6...
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.