OpenTechnical

OT-2026-000061248

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000061248) never changes.

Identity and time

Publication numberOT-2026-000061248 · never reused
Internal UUID01a0ae8b-1382-7251-8646-c865b3fe55ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061248
StatusPUBLIC

Content hashes

Canonical text73c672282f12e20216c3ffb9d588b2f24a03a66d02a21e3ae07dcc67e8a892fe
Markdown75a4ebb48c8f2c957a0ddb010e9d4d5a82c7274d786c28dd67c0763f31151721
PDF
Publication page9ad0b83e5e34d34e81660f47cb886e3b3250da7ed5ffacbaaf53c3c7a38f2709
Manifest4a49b66376783982201c81e2fd175d67f665f0ef533593730c1e132d28a4a2b7

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
SignatureP9Z78DDq2z4fHD0HYGeuEja755PnZrll2VmQFdVBOfNlBOANmcMkomh1QWxzfQhfCCeiu2ld+JtWEIgq8zLIBw==
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

2026-09-17T10:42:39.747891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061248
observed 9ad0b83e5e34d34e81660f47cb886e3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:39.726919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061248/manifest.json
observed 4a49b66376783982201c81e2fd175d67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:39.708101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061248/publication.md
observed 75a4ebb48c8f2c957a0ddb010e9d4d5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:39.689950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061248/publication.txt
observed 73c672282f12e20216c3ffb9d588b2f2...
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.