OpenTechnical

OT-2026-000058244

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000058244) never changes.

Identity and time

Publication numberOT-2026-000058244 · never reused
Internal UUID01a0ae88-6edc-7201-8d05-eebd557883d2 · 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-2026-000058244
StatusPUBLIC

Content hashes

Canonical textb87d993e2182d5104dd072daf7869ec1e125117ba6ccd187978f425ae28f90b8
Markdownbe0e98b996b05beeca09a4254f915942c34138604ba568e38c2b64f747d774af
PDF
Publication pagec8b35f73f0b3d3c1f1ef52f3c4813eb4611e94a319de31404d8c919a6155bbec
Manifestc733c626faf8eb3922d1f0800312729981e292f500d176e3a0bd38d4abc93611

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
SignatureijNuoVTtTxr55kl8e8Tkcix6PS/QzSq2jd1VAydrNeio0WzL94QY3jpQRSfJzszidIo4nLO7ErfBt5Sg3aBxCQ==
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

2026-09-17T10:47:58.271108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058244
observed c8b35f73f0b3d3c1f1ef52f3c4813eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:57.485613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058244/manifest.json
observed c733c626faf8eb3922d1f08003127299...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:57.467617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058244/publication.md
observed be0e98b996b05beeca09a4254f915942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:57.442113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058244/publication.txt
observed b87d993e2182d5104dd072daf7869ec1...
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.